MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics indicate the PDF is intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://cructi.ru/uplcv?utm_term=how+do+i+make+a+poster+in+word PDF link annotation
- http://cachnhietwin.com/luutru/files/woparetapixi.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/mobibixenotizobexufepusem.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/52650325363.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/d13d089f52e1f8cb2915132a350ff00e/15389421023.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f58021dd41---zamazixotapefubavaxawalij.pdfIn PDF document text
- http://nagymester.com/userfiles/file/gusunos.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/638f9d2cc8820365c0a37ac20d074fa7/44720652395.pdfIn PDF document text
- https://alebusph.centralcms.cloud/galeria/files/40538350100.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/tanadezasefuvim.pdfIn PDF document text
- https://mgrenginiai.lt/ckfinder/userfiles/files/65056207157.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210901195749.pdfIn PDF document text
- http://vicc.huh.hu/UserFiles/File/16586259293.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/m9oblvpu26nq4otpphu74m3u91/xojubokap.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/30483402872.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/68820856053.pdfIn PDF document text
- http://schokoladenbrunnen.de/idata/zonuwedunifolal.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/8493190087.pdfIn PDF document text
- https://spvi.cn/filespath/files/20210906220304.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/76520138538.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/povaxosuxizigik.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/pogimijimunimakubekapil.pdfIn PDF document text
- 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_off0000e723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE723 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF35 | 18272 bytes |
SHA-256: 9c976abdd32844a80db2d35c6844c917d2b3d8c458cb5285001e2e97fd1acbf7 |
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font_02_sfnt_off00012da1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA1 | 10676 bytes |
SHA-256: 3f370c2cb4930bb9de17e2b63674795258f08b99f071b0aa822b8f0c78415d12 |
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