MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ClamAV as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites hosting PDF files. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9caf7913d---pewimamulo.pdf In PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc709704f0---matonil.pdfIn PDF document text
- http://www.motocams.cz/ckfinder/userfiles/files/pazuwerenezagat.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/13266453604.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfa0a4584d---18674571701.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/9k9arl3g2rcnno9its3lb8oos3/56388962381.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd3f91bef3---35507617707.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/gamunokixobutukavi.pdfIn PDF document text
- http://villabrown.it/userfiles/files/bolaroxibo.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086a7d0ccd71---mimixozilalureg.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/e5ead347afb3605d4b782521d9a0d11b/futoniv.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fcfdb1487---35761785549.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/59d66104aa2d02017f32358d58b5e6f9/fegewagufidimirof.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/naxesobixe.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/55947242955.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/461df188d20df500b48a48d6f8f46259/52293672715.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/06a224d641bb64dd487ef783532169ae/xofobudigekezi.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076dbffd879e---pajejazowi.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/16353216213.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2473440cda---forebawipote.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa17ea16e14---5217615480.pdfIn PDF document text
- https://condominiobrisasdelnorte.com/userfiles/file/88657411660.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/jaguxututepipul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=flame+test+activity+answer+keyPDF 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_off0000f058.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF058 | 16704 bytes |
SHA-256: 23a01160091d6ae1bcd7f07cdaaac077fba608a97659ee0376ffb2aca85cb85b |
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font_01_sfnt_off00011be9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13400 | 10604 bytes |
SHA-256: 02f88b489517ab70c3feb5ae2e7c22eed2a3d5d120eba430868a63c2459c8a52 |
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