MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple disposable or compromised domains, likely for phishing or malware distribution. The presence of numerous unknown URLs supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pactolous.hu/upload/file/4029162594.pdf In PDF document text
- https://szabolcsipeter.com/userfiles/file/reveko.pdfIn PDF document text
- http://fruhmann-elektrotechnik.at/99693987138.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/tozulotevemej.pdfIn PDF document text
- http://2990592.ru/ckfinder/userfiles/files/15941195384.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/434735aebe977054689c54a686c77e05/xixakijozawuz.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/resulemezoxijirosekor.pdfIn PDF document text
- http://kotolantopeni.cz/file/vomon.pdfIn PDF document text
- http://www.ez4parcel.net/upfile/files/2021/09/15/jazixupolenawaf.pdfIn PDF document text
- http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/81987294801.pdfIn PDF document text
- http://modernplating.com/userfiles/file/zunazaxanorinizulumexaw.pdfIn PDF document text
- https://adasms.fr/userfiles/file/40619954695.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/74461735243.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161453912a64b7---11588682583.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/93947201517.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/gpkfbrvq1n70jkt4cq276kcar7/fofusuxigonik.pdfIn PDF document text
- http://familie-schiecke.de/images/file/vamewifikapipifizuv.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/47802696723.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/70484771209.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/lesogubazavom.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/45055157225.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/rolovalitufidodudofa.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/6041888670.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=nova+game+download+apkPDF 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_off0000ae91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE91 | 16644 bytes |
SHA-256: 7b0e3d2567f13052015a5de8ba0e5bf8c05af873aebf97316475880d0af2e58a |
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font_01_sfnt_off0000d98f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD98F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A6 | 10496 bytes |
SHA-256: afface172e5c15312de41c54342bb2801deb27c810db44e988f04ca020dbe096 |
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