MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the nature of the detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://gradn.ru/uploades/fckeditorfile/55181835781.pdf In PDF document text
- http://tangneylaw.com/admin/images/file/53944431272.pdfIn PDF document text
- http://client.diffuse.info/files/belelikulakegerupibusi.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613230fc50f71---nivizoturofiluroxasebuvi.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613613e98b5d0---zotanujer.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/57243584482.pdfIn PDF document text
- https://rm-parketi.si/uploads/pazonutofosukesijelonipa.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/23269110551.pdfIn PDF document text
- http://rotarycochinharbour.org/ci/userfiles/files/34005317317.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/osnabgslqqa6riq70rv21k5553/tiwutipivijibam.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202109072204297269.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/vazoloti.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/bopodol.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090414163873499.pdfIn PDF document text
- https://madeinstlucia.com/userfiles/files/zameravar.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/womikaruzonufuwugo.pdfIn PDF document text
- https://kawanmto.com/contents/files/muxexekizefidake.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae9815e124---55724744467.pdfIn PDF document text
- http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/51089957610.pdfIn PDF document text
- http://duhochoangthanh.com/upload/files/65931343152.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/rewixobapovabovofopol.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/94119599326.pdfIn PDF document text
- http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/widenapexazira.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=auto+call+recorder+proPDF 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_off0000c710.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC710 | 17900 bytes |
SHA-256: 4a364297cc23cb09870c94b576c1e947705381a74971a24fd2fce9c32fd41734 |
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font_01_sfnt_off0000f557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF557 | 10224 bytes |
SHA-256: 0593300733ce2df400425a4c230b2d729ce6540c876c9334d5747f4e23f492e5 |
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font_02_sfnt_off00010c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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