MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to disposable hosting and compromised CMS upload storage, indicative of a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://aexpress.lv/index/images/up/file/93461660283.pdf In PDF document text
- http://dfanchem.com/upload/files/68771640186.pdfIn PDF document text
- http://btfa.tw/upload/files/tusaxu.pdfIn PDF document text
- https://pleasanton.com/wysiwygfiles/file/xojorilududuxaxejogoxuzoj.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133aa9ca0b2f---zuwofifugirasepisotup.pdfIn PDF document text
- https://mimpiindah1.com/contents/files/18684871746.pdfIn PDF document text
- http://bakersfield.thepokeluau.com/uploads/files/3943928943.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/zafawi.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/45274779058.pdfIn PDF document text
- https://sunnyvale.com/wysiwygfiles/file/xevoxiga.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/c350eb4324b2c6dd63c3771f19cc90f3/kamezufovafurum.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/jozujewuxedifozabanazi.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/digeledepilefuvanumevase.pdfIn PDF document text
- https://kawanmto.net/contents/files/7982770310.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/pojeke.pdfIn PDF document text
- http://zawodydrwali.pl/app/webroot/userfiles/file/87238093360.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/72194968997.pdfIn PDF document text
- http://webbuilders.com/files/file/zinilusipuxekerotazuk.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/12247035157.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/zisev.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/viwufezonop.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613add25a0e20---jipatavobudunufekowufexuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=nfs+hot+pursuit+android+gameplayPDF 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_off0000bfd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFD7 | 16772 bytes |
SHA-256: e0329f503d67560de6cbdf91e42a6e1d29d985acd559e368b05693e62a7b7ea6 |
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font_01_sfnt_off0000eb6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB6A | 11136 bytes |
SHA-256: 28fd4c547a414bcf73cd4a79a9a17e701f3ec09da5be22cef28a6cd3b0cf0709 |
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font_02_sfnt_off00010508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10508 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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