MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with multiple URLs pointing to potentially compromised or disposable hosting. The presence of numerous links, including one that appears to be a redirector with a 'utm_term' parameter, suggests an attempt to direct users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://travelbilet.ru/sites/default/files/file/66742829555.pdf In PDF document text
- http://4rrecycle.com/files/file/76835197631.pdfIn PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/38665986029.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.org/upload/files/84398406206.pdfIn PDF document text
- http://aedelsur.com/contenido/files/nixapadikaluriteb.pdfIn PDF document text
- http://pozitron-s.ru/userfiles/file/44641693404.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/ed46d9cd91d76047b14b63a67aa4f072/95667556729.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16148ae9880e60---85145136311.pdfIn PDF document text
- http://maybomnuocdanang.com/uploads/image/files/58280183863.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/74955160958.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/mogokuwusoterugurada.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/a6jfl2egtgsjfd7g8ospiol4g0/pinavavonirerumanapekidej.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/vajidafobenivabugup.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/tokulujubugenufusapab.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137b0da3b902---8558265247.pdfIn PDF document text
- http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/xafikuguvutubegara.pdfIn PDF document text
- https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/wofazidanovuvawutefun.pdfIn PDF document text
- http://computer-rudolstadt.de/upload/file/4437924055.pdfIn PDF document text
- http://vevo.keresztessyoptika.hu/elemek/file/jufutonosupejabuni.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/vawasusipiliwulosubejet.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/87826659517.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/takape.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=watch+avengers+endgame+free+123moviesPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/88378596005.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_off0000b19d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB19D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B4 | 11280 bytes |
SHA-256: 55dacf27a066471acd61fbe93d3741209a509556cdbfa65f4f46a3f1f12183fb |
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font_02_sfnt_off0000e3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FC | 15516 bytes |
SHA-256: be1f00ab34dbfc8d3724ada455fc356b214dfc508b837f8ae2e36dfd9cd448b3 |
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