MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised CMS upload storage, such as WordPress sites. These links likely lead to phishing pages or further malware downloads, indicating a phishing or malware distribution attack pattern. No scripts were extracted, and the document body was unreadable, so the rationale is based on the heuristic findings and extracted URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/bc7d5aa1bb782e0d235be2ff1fd98cb4/gimopimatoralolipataw.pdf In PDF document text
- https://contabil-fiscal.ro/mm/file/tarufajojilifitofikufa.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/ckrtef9cj9ggs0lfpdb8p0elcj/duxulelepugenoditinurip.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/60985045668.pdfIn PDF document text
- http://firmykominkowe.pl/Obrazki/edytor/file/pelomopumonurubutidovun.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/xanegitebekiduwowitejitiv.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/7657099610.pdfIn PDF document text
- http://gamecoast.by/uploads/files/38441546409.pdfIn PDF document text
- https://implantologie-deva.ro/app/webroot/files/userfiles/files/gixoxexojetoze.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/f847aa2e970587dca9e037392c7a89ab/fijuponezivo.pdfIn PDF document text
- http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/6882634713.pdfIn PDF document text
- http://covina.crazyrockinsushi.com/uploads/files/peziborovuxe.pdfIn PDF document text
- http://kaies.net/upfiles/file/56588496294.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161376b46bcade---lemif.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/18375351058.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e99e3b8c3e---piwugeletogubumegi.pdfIn PDF document text
- https://whiteplacard.com/UserFiles/file/tigudapogikif.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/84914407228.pdfIn PDF document text
- https://piti.leaddeehub.com/userfiles/files/wusadogumaxiko.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/3891173699.pdfIn PDF document text
- http://1mosref.ru/ckfinder/userfiles/files/32601104953.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/77732313291.pdfIn PDF document text
- https://fanaf.org/article_ressources/file/14057934847.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=react+layout+libraryPDF 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_off0000dbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3E8 | 16416 bytes |
SHA-256: a6640ee4b8c888dadde35ec2214a88807c249fb24ec0a58907c2f45d890d79d3 |
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font_02_sfnt_off00011e8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E8A | 10352 bytes |
SHA-256: e83f94fb5d6f4468de823686ff1e1c66666ef46b30d4dd072248af1d7d3e9629 |
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