MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection as 'Pdf.Phishing.Trojan' indicates a known malicious pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://oniceh.ru/uplcv?utm_term=iptv+smarter+pro+apk+for+firestick
- http://emrc.ie/upload/imagecontent/file/daluninawixolakilipugig.pdf
- http://indexone.ru/upload/file/bururafuriwedukozitatapu.pdf
- http://arabstina.com/ckfinder/userfiles/files/kofifelelarolut.pdf
- https://www.lipca.com/ckfinder/userfiles/files/62995628498.pdf
- http://hanilkwanla.com/uploads/files/sanasun.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f94eabb9c---dufusireganewiv.pdf
- https://zlato-stribro-investice.com/upload/files/xetagulusumitufogija.pdf
- https://obermeyer-modemarkt.de/upload/file/babaralikenupupij.pdf
- https://ijmscr.com/ckfinder/userfiles/files/wavaxamijixekezo.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/278ba4c1cdb8086b7be3ac52d56bad32/26673226732.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3e93c1cfb---734466530.pdf
- https://crownprolaw.cn/userfiles/Proj_Name/files/wupun.pdf
- http://pusancard.com/userData/board/file/3320307021.pdf
- http://okun.su/upload/file/turunib.pdf
- https://fengshan-zhennangong.org/upload/ckfinder/files/44696074011.pdf
- https://copab.tn/216mag.svn/uploads/files/woxumoku.pdf
- https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/3817920393.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136db40d287a---38937867596.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131ff4495ce0---94919612465.pdf
- http://salt17.com/userfiles/files/60326955426.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/c0f00038471b11b40ce467a00fa1a1e2/16746546180.pdf
- http://www.gieskestukadoors.nl/ckfinder/files/files/89367337565.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d528.bin98748d0e4d5fb4a79c8dc15237a8f32b5ed48f8a521d686e04b5c4fa3f63c663 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD528 | 10600 bytes |
font_01_sfnt_off0000ed89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED89 | 16792 bytes |
font_02_sfnt_off0001059b.bin06650d3e1edc8e075c81add1bc35057cb1340a53d46185e5728fb75ab9979b55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059B | 17776 bytes |
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