MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. The document body is heavily obfuscated and unreadable, providing no direct textual clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://normel.org/files/upload/file/januzebitexe.pdf In PDF document text
- http://xetaihyundai.net/upload/files/wagugepudu.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/mipakiredeki.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161371bd6338dd---98768528012.pdfIn PDF document text
- http://solemarservizi.it/userfiles/files/paxojoxejijaporumiriwo.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090722033386.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/24512769539.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b2cfd4a3b---muduwivanozililoze.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/xalavumedivoruzew.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/51581068696.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/wetofetugulirig.pdfIn PDF document text
- http://maraulsan.com/ckfinder/userfiles/files/tafupabotub.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/70217053742.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/13907771793.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/93091660092.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/zabusixofagadi.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/xolenopetalozenoxudemori.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/65025113335.pdfIn PDF document text
- http://czyxchem.com/upload/files/luletukavixozorinav.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eac860e558---tosazunezifawufu.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/nubetaxizege.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=radio+uk+apkPDF 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_off0000dbb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C7 | 19888 bytes |
SHA-256: 30b604c0db6c493a88807bda2b5fa4ca84d9f50a6801f0908978c91d687b6c03 |
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font_02_sfnt_off000127f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127F2 | 9976 bytes |
SHA-256: b00076325fe9e469c4b6c4e839c8e04a9ba42ffe42bb44b63e9b72c1a4d6d969 |
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