MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many of which point to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a link farm and the nature of the detected malware indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://huspanda.com/data/ckfinder/files/lifobimax.pdf In PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/90788043611.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021091104251473499.pdfIn PDF document text
- http://sergeybazarov.ru/file/tewokejerepelenoji.pdfIn PDF document text
- http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83470256278.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/47853633127.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134363300f13---varufasikelajamobelutina.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/xedes.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/nekawi.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16146fac71d8a9---kafegozirakujele.pdfIn PDF document text
- http://adice-area.com/pictures/files/15422029354.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/msk0rui0h9som5okl3ah743617/25672960728.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/tonixejugan.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613234f623ab3---59766811398.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/rawidusutiwofufuk.pdfIn PDF document text
- http://www.jokilaaksonratsastajat.fi/file/tefekuku.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/86592780792.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139bc9854a2a---1142784307.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/63601425043.pdfIn PDF document text
- http://ayrh.internet-match.com/upload/files/lagumilupopezaz.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/towegukota.pdfIn PDF document text
- https://kisikana.hr/UserFiles/files/50526599422.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=4x+game+booster+pro+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_off0000d007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD007 | 21468 bytes |
SHA-256: a617f1f328b385273f97063c511971a4f4a3b03e86823c1118b42840fefa730f |
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font_01_sfnt_off0001081a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081A | 10668 bytes |
SHA-256: bd4986b3350d5fabe415b87cd08c8b2aaac78e283d816a0f380686e859528bd3 |
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font_02_sfnt_off0001206f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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