MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple PDF-specific heuristics related to external URIs and link farms reinforces the conclusion that this document is designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://homeopathyhk.com/files/75078779895.pdf In PDF document text
- https://ngusacdon.com/upload/files/giwopimuwinogemaxotajupo.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87d1d1879---xizoriwobe.pdfIn PDF document text
- http://tianlanlawyer.com/filespath/files/20210904195227.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/74057392721.pdfIn PDF document text
- https://elpollopaulino.com/cenavarra_userfiles/files/bajofeje.pdfIn PDF document text
- http://rc-modeller.se/images/file///voxukibewusi.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/6915870178.pdfIn PDF document text
- https://ghnservizi.com/file/ruparojesexunudeful.pdfIn PDF document text
- https://houstoncoinclub.org/FCKeditor/file/2236589901.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/25466300057.pdfIn PDF document text
- http://caydinhlang.net/userfiles/image/file/sofejoxalizolo.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/8720604608.pdfIn PDF document text
- http://hidramaco.com/files/files/deluv.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/21816445250.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/46389823109.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/82532706650.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/totarofalal.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/sadagusuzorimokukowu.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/sebejuzowepafezokinoja.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/xomixuwijisi.pdfIn PDF document text
- https://tele-video.ru/upload/files/62160627033.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c519b2070f---vofokuwarititawoxuzate.pdfIn PDF document text
- http://jinwoosmc.com/userfiles/file/60095327002.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161369225147ea---94613395874.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/70461589405.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+install+android+studio+bundlePDF 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_off0000b3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC15 | 10560 bytes |
SHA-256: 13ac08bf11fad50dcaac90c4fccd50879967d4eeaf37a2f27f734879e5e984e4 |
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font_02_sfnt_off0000e44a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE44A | 15136 bytes |
SHA-256: f7a46c3807aff7413f29c0191824a8c34835d321b0e14463ebe82be6f58d326e |
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