MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely attempting to redirect users to malicious sites for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/uplcv?utm_term=ap+human+geography+textbook+the+cultural+landscape+10th+edition+pdf PDF link annotation
- https://fceresources.com/ckfinder/userfiles/files/loniwuberuvomipaxanekipiz.pdfIn PDF document text
- http://learningkey.org/userfiles/fokudoveroruf.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/vatotofuvobuposugovo.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611305e289f00---75460531747.pdfIn PDF document text
- https://northwestconvention.cz/data/files/fizaligerabajemu.pdfIn PDF document text
- http://novehorizonty.sk/userfiles/file/49112669097.pdfIn PDF document text
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b7fb75c7---karurosozamesijovanu.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/xuluwinifatagel.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/68546842983.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/97808401092.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/xodejipuwif.pdfIn PDF document text
- https://manhremhoangvan.vn/wp-content/uploads/files/sojikitababexemojukel.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/56490361784.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/votididoxanatibegolamiso.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/7232e49d4f790f85cd705d3590296437/matozujorukim.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/67101822447.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb6a797cf1---rexog.pdfIn PDF document text
- http://e1pl2.nazwa.pl/busy/fotki/file/85365495596.pdfIn PDF document text
- 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_off0000beba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D1 | 11772 bytes |
SHA-256: b5c410d0b394f011756d1e0114dbeaef6819c446dfd8b5b4cc5d49170d06d0e2 |
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font_02_sfnt_off0000f264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF264 | 17928 bytes |
SHA-256: e59cc0047165112e34c088849f037ac8e1de11ca74c544b5bc8016e829d9649b |
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