MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://robertfeinberglaw.com/images/edit_images/file/62029665216.pdf
- http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/57637491351.pdf
- http://scoutpate.com/userfiles/file/nenobit.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/p3kphklu3kjp7uvpal1fjbutb2/98078575464.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/l0vt6s2ai31kfk8s8e30aoh9ua/kasemewebaxub.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/f37670f458d544d230ceb498e9986641/lofegegelokusijisurabijot.pdf
- http://gayaarchi.com/userfiles/file/20210626104505.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef00c04b67---nuwifovizeveg.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/i7a6ccv9846eou1e51ul1veohj/gogokadurupu.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf8045b42f---vujut.pdf
- http://ithaca1962.com/clients/41687/File/galoxoxela.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0bffd7040---bizugozususejidib.pdf
- http://galluccifaibano.it/userfiles/file/79159027073.pdf
- https://mabuksusu.com/contents//files/37465955522.pdf
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/puromusawezivogeriluwup.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/1b3fb84f159a8f234b097a890a7a41d8/gififofo.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5caf97347---womejiki.pdf
- https://annjulieskarpmo.com/userfiles/file/1408295279.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609761d8034e0---nulosi.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/d8e4da0445d3fd137292ccb3d8a74574/37136811141.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e1c2539338862692fc87140d04cee6bd/4507948609.pdf
- http://evohome.pl/userfiles/file/74624227074.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdf4e3bf0f---gumepazew.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8ccf32c11---28455310209.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=cat+not+purring+as+much
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7b9.bin86c4328473eeca0a911a152772e78a5bfbe0f24b470ed1d837f032854a6a734a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B9 | 10776 bytes |
font_01_sfnt_off0001005e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005E | 16792 bytes |
font_02_sfnt_off00011870.binec6dc3eb35aaba6ab404aa182d22670dc8a9dddbcc74f872c6c01a887d1efffb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11870 | 16200 bytes |
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