MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress upload directories. The ML classifier and ClamAV both strongly indicate maliciousness, classifying it as a phishing trojan. The primary function appears to be directing users to potentially malicious external sites through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://pietroquatriniarchitetto.eu/userfiles/files/laligafiduwaga.pdf In PDF document text
- http://poltinik.ru/userfiles/file/66077189320.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/b7koj86lskpsh2pe552ags6oa4/mefen.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abedf531854---41375047346.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2cfepq489moc9ipd841uuo1lh2/sesozisasesopividukede.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/todijujegesejotegesafa.pdfIn PDF document text
- http://placc.info/up_image/20169893060.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/13985691649.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/04hjcuj5f4325363atab88f4k4/43107615547.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f46a9d33d7---39594728974.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/43199eb62d528a5750b77f59f141a62a/45483196164.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75f6d637ca---96289488133.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/15886298537.pdfIn PDF document text
- http://yilip.net/userData/board/file/gekonovagefivuwulepi.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160894d8cadd1f---javasozokazodezikironis.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/jj7lbvvjksa16cqc3s9gmpme71/toxekidu.pdfIn PDF document text
- http://fly.no1-yes.com/userfiles/file/bukuribekesejurus.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/supev.pdfIn PDF document text
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/1aab13666dc99278caa04da7593fafcd/kekote.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a83f30abe32---napire.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/92741692047.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/75056543203.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/am0u5cbbr0benr3pmm5uge1mfq/77981717997.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/db2a3ff6ae145cd02b197a0754923caa/68776581133.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=d+shackle+and+bow+shacklePDF 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_off00010524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10524 | 17796 bytes |
SHA-256: 0299832f63afdfcc7870b8fb49be9020dda6c6a88620f6c133ea0f606cd96674 |
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font_01_sfnt_off0001340d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1340D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014c24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C24 | 10496 bytes |
SHA-256: 40a5d897a67b70b7d1415b1c93e190dff8c3d5416276bba550950fbda4d9d5fe |
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