MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm used to redirect users to malicious content. The presence of external URIs and link farms on disposable hosting further supports a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
Heuristics 6
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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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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://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bdf3ae2a1---lelidarisujafus.pdf In PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/8686d60f2dbd4ad0a851a53727d6e550/xajexopot.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acddb070215---wupemugurumarul.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5db20ed6ed66ae62a26115cfbf650b61/74964885404.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/47d0d388acecd98bd8a2bec4ae787b53/60042334104.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/958e28831939d11218e58ccdf9927e76/37132918036.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/99895117.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9023a8e66---zorekuvapimiza.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/665f4ce4f93d99dee224894a355532a3/lefikadosu.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/850cad32d843b6abcd4c8a0263bbebb0/wapulu.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/9mqhk451iio4b6ibat1bed7vt4/pewemiwaxomonus.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/928fbf4a3c62f7d5269c1de1b2e75dae/89606558466.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/5be67f0a86ceb5edcb8ada46d9f0d85b/56677365525.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/90268865657.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160afebce7f2bd---zobufupidelime.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/jexiburelonixevogemu.pdfIn PDF document text
- http://citra.cl/userfiles/file/pazaligujinoxoxejofujo.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/ginukalajo.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092470fa3565---tomal.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/97037168018.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/486288bee1dd6a78873ff69f39e48939/xosesunaveda.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/ifhriq7ef4m4n84po2tghd57ic/kadoserijirodelinugovumik.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c61488173---87668781617.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/48393821595.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e5d306b7c---relekokinixulijizas.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=personal+secretary+interview+questions+and+answersPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001189a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1189A | 17792 bytes |
SHA-256: 53e9cf550da8aa76fcd05426e19717d254b5e786fedcbff275f23d133797637d |
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font_01_sfnt_off00014743.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14743 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015f5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F5A | 10876 bytes |
SHA-256: a1d862e33033748ce8ab5d1a7d5daf26f2f60d2e5e466b6c8970d988ef2a2c77 |
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