MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to potentially compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL findings point to a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://bielle-srl.com/userfiles/files/muzitit.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be44f44040---fajovete.pdf
- http://houstontca.org/Content/uploads/files/dugitop.pdf
- http://masterkontroll.hu/ckfinder/userfiles/files/91704095663.pdf
- http://vce34.ru/attachments/file/nusopiwoboxi.pdf
- https://xn--pssa17sw71b.tw/upimages/files/87216938166.pdf
- https://limadelimon.com/images/file/4988318890.pdf
- http://isystemlab.com/admin/ckfinder/userfiles/files/73853041059.pdf
- http://www.tiande-global.com/ckfinder/userfiles/files/warosedobap.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/244fd9cba64d17f99de22eb8cdc538b0/nimivoleziteluwozo.pdf
- https://garnet-medical.com/userfiles/files/60326480076.pdf
- http://barexkft.hu/userfiles/file/65308569180.pdf
- http://solamsys.com/userData/board/file/xabolaviselibizowex.pdf
- http://etoprosto.ru/ckfinder/userfiles/files/26889541072.pdf
- http://letdentalab.com/img/files/84586439311.pdf
- http://thuexe7cho.vn/upload/files/28778832244.pdf
- http://hwayinn.com/image/files/20210909_193810.pdf
- https://restaurant-kamkok.fr/img/Data/file/bojudivabarenolig.pdf
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210916071519.pdf
- https://mpksieradz.pl/upload/file/vuvotizo.pdf
- https://mollis.rs/files/60245237495.pdf
- http://elfuklid.cz/foto/Image/file/xufolepiruwagebub.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/456f20373c18bdf9065788a34d85ed6e/37623218141.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=hex+empire+android
- 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_off0000cc29.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC29 | 16792 bytes |
font_01_sfnt_off0000e440.bin55c2402507cc05c7ae43548125e9564a9988c62f755967a7c250f4d9a60a7216 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE440 | 10332 bytes |
font_02_sfnt_off0000fb5e.bin701c9c0827b877d0275a420b77d0c5bd41e4367e35fb041daa617720e4ea3f66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5E | 21008 bytes |
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