MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. ClamAV and ML classifiers identified this PDF as malicious, specifically as a phishing trojan. While no scripts were explicitly extracted, the nature of the links and the detection results strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://chetanaus.org/bheru/uploadfiles/file/81079378330.pdf
- https://securityguardsupply.com/php/uploads/file/24720139044.pdf
- http://aire-limpio.com/img/editor/file/8490647219.pdf
- https://eltonltd.ru/sites/default/files/uploads/popubotabaro.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/blffj29degl1pkpe22v0ks3jc2/genokas.pdf
- https://stalbeckers.nl/userfiles/image/file/8034387390.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/38042045538.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097f449466d8---xefulemixukevinewasanutu.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a5468650485---jenow.pdf
- https://hmanagement.net/userfiles/file/kufuzugirovutewuse.pdf
- https://tecnicadovolante.com/images/file/sefegerazozorikegeresexi.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/b8499d358ae56eac9fb27310895a9bd5/31642606291.pdf
- http://csss77.com/clients/d/df/df7f2fdc42e243c7a03c192a8228c0be/File/94788306178.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a73084de6---pozakonajeturikezedavoxox.pdf
- http://dakmet.pl/upload/bafexuvebu.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083b67b3c7bf---21455465131.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/14af672a00a94633b4c9ba1baef8ffad/mafovakisoxisurepivi.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/u529v99iiriauqaaisfoaoai83/boxudulukubi.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084844e7beff---78730925981.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983d96c9ec6---votaseromasudag.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/6aei9dgls0a3em1nv6sphncjle/mirifuvipezisunipazu.pdf
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f10603b309---lesatiwomoguzewevudiguviw.pdf
- https://akproauto.com/nbloom/fckuploads/file/telalikuropunegonemevod.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/p0v8cq3p26qos9cgdu118j2r6s/79511782775.pdf
- http://geredekombiservisi.com/userfiles/file/31812774382.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c661294f759---20187527053.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=you+think+you+know+someone+quotes
- 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_off0000d76f.bin72f29e7d7686ebcf8ccf0daad1c30d02dd770858f3fbbaa8e97d2a71ab982916 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76F | 10588 bytes |
font_01_sfnt_off0000ef7f.bin3046d8db74ecfc2fac107fc160f9e92a0ea33c9e869c836c26add9e2048070c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7F | 17004 bytes |
font_02_sfnt_off00011b24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B24 | 16792 bytes |
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