MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to manipulate search engine rankings or direct users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery mechanism. No scripts were extracted, and the document body was unreadable, limiting further analysis of specific user lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/4g28l2m19suphtdbfn9tc2fmvj/53190838413.pdf In PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/a9f9e54786e30d0e1c5653eac6435018/xuximopebosuxibikadupu.pdfIn PDF document text
- http://toyotarentcar.net/FileData/ckfinder/files/20210723_93A73364B11C103D.pdfIn PDF document text
- http://refta-bg.com/userfiles/file/5439824615.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/vetujabezebutebule.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/boxofoniviranogit.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b81e963ee9c---23042287583.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/c88qis8tmjhmiakerulv2fdu97/60065203904.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021060404175199.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/f5qe8rkg1seig8utfn7fhiur57/25830410247.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/rezelabat.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608544b59839b---lozukupakagiju.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/66438959897.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/44986848665.pdfIn PDF document text
- https://duvarkagidierzincan.com/userfiles/file/47858872409.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/dadanuderasupotofujidugi.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/gavaretomomaz.pdfIn PDF document text
- http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/kepuxutominu.pdfIn PDF document text
- http://nomorecpapmachine.com/userfiles/files/pebubumek.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9154828f9---roxijugitapenoxumepuso.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/mn9b08jichvakda3l2ocoalom6/navilezuxalexoj.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/nepuwokuniwi.pdfIn PDF document text
- http://bigxra.com/uploadfile/file/2021050906373973499.pdfIn PDF document text
- http://rialta.ie/userfiles/files/68344855804.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=what+regular+polygon+has+an+interior+angle+of+144PDF 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_off0000f792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF792 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA4 | 20712 bytes |
SHA-256: e5f6b1c37b94098ced561a30ef3041c30ddd2eb2dc7f496994f10ff18b26c7f1 |
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font_02_sfnt_off00014673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14673 | 10976 bytes |
SHA-256: 3f4c80e80100d4e546e6a242875dcfb29e2f542622f0ed0f428c0fdaffc798ec |
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