MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'SE_BROWSER_INSTALL_LURE' suggests the document attempts to trick the user into installing a browser extension or update. While no scripts were extracted, the document contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5975293598---98993089021.pdf In PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160809758e6918---53651490020.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d09d335ca46---55908023092.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074a35b79960---figoti.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/6d5ffcea7a24616c4bc66252ff375951/12589572678.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/s8h6hbn83rjedq8h7cvhh17eer/18711176949.pdfIn PDF document text
- http://auapp.ch/userfiles/files/46091738076.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/e87e3e2434184067b56bc1a00b69d38a/defabamopifuta.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/gifosukomuxarep.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/vm2d1gpdeaias6mdrpf64bh56u/tapumifetep.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/92af022749a992a2959cde676b72476b/xisilawise.pdfIn PDF document text
- http://techscreening.com/userfiles/files/67658660446.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd71195fe48---15166013809.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///92975995308.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/b7f76e331e36d7eab7d4d0831f775b6e/batewopulipopepekagu.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/db474648b7abbc7c2e3a7cf9b2f74064/logulatewaxaruju.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5a4027d7a---rudigasamuzilozaboje.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/6e8e1ba9121a8a6cd52cdf9d525c554a/pafepunidiwolezonufubuf.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb1f521e91---83155995766.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607c91635e4ae---59970285624.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/sopow.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/sogakuvawemax.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d231f8157a---vujovugubarusake.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/pajanidixofaputetutiro.pdfIn PDF document text
- http://shiokuda1.com/contents//files/62773367448.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/27109708417.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=gcf+of+30+and+75PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F3 | 10348 bytes |
SHA-256: f554d0822cf2dad1f1b90cb2e0873a23e2d9efadf12f6967116d55ce8ec81973 |
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font_01_sfnt_off0000ec82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC82 | 16252 bytes |
SHA-256: bfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
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font_02_sfnt_off00010262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10262 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00011a74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A74 | 16732 bytes |
SHA-256: ae671b958dae931d55bce8ca38897f4c8b34aa39ddb45891278889c4ab917ceb |
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