MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the document functions as a link farm, directing users to various domains, some of which are hosted on compromised CMS platforms. The embedded URLs, despite some being marked benign, are part of a broader pattern of redirecting users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://paraleumarian.ro/app/webroot/files/userfiles/files/82720984387.pdf
- https://lochoanggia.com/upload/files/17376980430.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/b35a4a2a967fee86365ccdba23361c3a/miwixarajoloki.pdf
- http://fairfresh.net/assets/admin/ckeditorimage/files/68674433021.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee1f53a2be---33986660120.pdf
- https://pelletier-tp.fr/ckfinder/userfiles/files/zewuwikidatam.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/4c5cf99e7cbf7f5abb6c0204e396b357/rarevedizopisumariranezu.pdf
- http://unipsyclinic.com/userfiles/file/20210907220503.pdf
- https://drivetripper.com/userfiles2020/files/1450941584.pdf
- https://abctranslink.com/ckfinder/userfiles/files/912057568.pdf
- http://rancholasmonturaspremios.com/campannas/file/48675659180.pdf
- http://kondicionery-fryazino.ru/upload_picture/file/winumoneboz.pdf
- http://lukoilmarine.com/ckfinder/userfiles/files/nabipuzevirubatitafurofu.pdf
- http://lt101shop.com/userfiles/files/28281412359.pdf
- http://guidesdugrandlarge.fr/images/import/file/xutolemi.pdf
- https://thefencedocumentary.com/adminfiles/file/jemudefuxazijesu.pdf
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/6486306716.pdf
- https://5udua.com/contents/files/97948879455.pdf
- http://gonganmi.com/userfiles/file/vazisasetodikegaxo.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/4e7755acda14c08493845dbc7aa5a897/zenepoge.pdf
- http://srmtteaparty.com/uploads/files/202109151430058195.pdf
- http://novosib-sport.ru/ckfinder/userfiles/files/81324589082.pdf
- http://papienbanana.com/user_file/file/tobubeninekaw.pdf
- https://airxps.com/userfiles/files/daribugigekafini.pdf
- https://repetitorebi.ge/userfiles/files/20170971060.pdf
- http://epicridesnepal.com/files/wonelozerurerelafosariban.pdf
- http://biomax.shop/filespath/files/20210913045143.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=instagram+ka+reels+video+download
- 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_off0000b9b5.binc2e88d4008dccac17f17966bd40b7ec0699c20ef5ed70a8f969a0d57d2c68e43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9B5 | 10788 bytes |
font_01_sfnt_off0000d25a.bin4df8d692e5e91eb944e6d7347ab91214d56da45a3c9db42696eaef1dd6cc0abd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD25A | 16668 bytes |
font_02_sfnt_off0000fcad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAD | 16792 bytes |
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