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, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely intended to deliver a second-stage payload or lead users to a phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://infrive.ru/uplcv?utm_term=sly+cooper+pc+download
- https://cvsc.co/userfiles/file/36609673579.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865e37a332e---zimisizogarabobivozapo.pdf
- http://mai-colle.jp/userfiles/file/46990767841.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf691b5bee---bizutolamixi.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/f7d76ddf62648e51d683a0f0e39fd355/48273548617.pdf
- http://charivne.info/images/file/63443902308.pdf
- http://cascinamana.it/userfiles/file/rikufatazagabar.pdf
- http://bawaconstructions.com/editorData/file/69908307065.pdf
- https://notrepanierbio.ch/userfiles/file/sokagewutaturapubu.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160823d2e4af7e---nibixotum.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160858a7a8c58f---94955087679.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608423616ff2a---tefuraludagizevema.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736843e09ce---64957013632.pdf
- http://dijladentalcenter-qa.com/userfiles/file/zanekaxezazetejano.pdf
- https://europartner2.pl/uploads/73455717897.pdf
- https://hohsingfiber.com/ufiles/files/36878100957.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/23520761933.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d05344e555a---lofokip.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/a6cff685a3bfd68cb908cdf6c9a2404f/mepowujagafafiwa.pdf
- https://leuphuotcamap.com/uploads/image/files/loxinonota.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/3eaaf76356b11790c4ab5de2e2f51805/86164629965.pdf
- https://gyn-koe70.de/obrazky/file/wodan.pdf
- https://bisnismedsos.com/userfiles/file/gizalepixiwujitun.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c77746503---72420286459.pdf
- http://kelvista.lt/images/files/tefajidireruvot.pdf
- 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_off00011904.binbab742f491b37c27a55238787889486dd29d64d8a1822165ff05e05ea6de7b8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11904 | 10424 bytes |
font_01_sfnt_off000130d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D8 | 16792 bytes |
font_02_sfnt_off000148ea.bind69bbb9e3ddae6cd2b10068f797ff53c475d38a81ec2490a920421c33e16a17a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148EA | 16996 bytes |
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