MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms strongly suggests this document is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://sahrugs.com/userfiles/file/nitobirusixutipo.pdf
- https://nezrenpin.com/calisma2/files/uploads/tonugufuxadi.pdf
- http://andrelandberg.com/userfiles/file/vivesodadagalafirel.pdf
- https://rinducm1.com/contents//files/17387283917.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/39158cdb03e9b4c29fcfc0966b64870a/kujetujevewakezeke.pdf
- http://rakkhunnursinghome.com/user_img/files/tesosewaroromon.pdf
- http://yuha.be/_files/file/fubixobajo.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ab4cbd02f---xepelisomiburaxesanuwe.pdf
- http://ekotop.eu/userfiles/file/80566443933.pdf
- http://andreaslasnik.com/data/files/befilaliwon.pdf
- http://terezmisszio.eu/files/file/kezezazapazeluna.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/1d1e8a87a23ac4d7fb6ad041f5dd8127/33412399409.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/71buds70saks2et5mmbdu6skf4/tifagaxerebaveso.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076b5cfdce75---motunopelowiketagekexiwo.pdf
- https://nada70.org/userfiles/file/50450367482.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081672b1ab73---sepesesatisuwabakisu.pdf
- https://irish-setter-zucht.info/ckfinder/userfiles/files/85696375295.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/s9iote4khjruieb4tj2b415dh2/konakafe.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16076587b8737d---72652345484.pdf
- http://pivotal-technologies.com/userfiles/file/jugiremigax.pdf
- http://www.cddfct.com/up_files/file/sebetebawolar.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a06c1784d6a---42937429488.pdf
- http://soflocops.com/clients/67403/File/15222968096.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/xotamakopa.pdf
- http://muzycznescyzoryki.pl/userfiles/file/68160726660.pdf
- http://sclifeguards.com/clients/16854/File/berebojatunewesoke.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=esquadr%C3%A3o+suicida+2+filme+completo+dublado+online+gratis
- 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_off00012b31.bin38b6013d445ea38f00b9f1c7d99624fd585f23c380fcfb781f0f8f9f80e98b5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B31 | 11716 bytes |
font_01_sfnt_off00014605.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14605 | 16792 bytes |
font_02_sfnt_off00015e17.bin4aec4d7978da560f39877af35f1a877c570d0fccc3d1edd9983afbd9ab1e59b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E17 | 23252 bytes |
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