MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm or SEO poisoning tactic. The primary function appears to be directing users to potentially malicious external sites, possibly for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://albino-pitti.com/pub_img/file/82411564458.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b355747d00a---lurijujubajulukajolirego.pdf
- http://sea-cruise.ru/ckfinder/userfiles/files/nopej.pdf
- https://auto-rujo.com/images-editor/file/nerolavubipevetesa.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160e65140aabe4---fiverenakavawawobede.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/dabepod.pdf
- https://taevlingar.se/images/pages/file/posemokexabotal.pdf
- http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/vunekinu.pdf
- http://shhs69reunions.com/clients/e/e9/e92da0bc0099326815942f81a5c18dfc/File/fejunobuwexow.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608684153e12d---wugerovugudadowitaxex.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a850aab6755---8061669817.pdf
- http://aplus.to/userfiles/file/bigubizeva.pdf
- https://alexandrapanayotou.com/web/images/static/file/pefegedusonixe.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bff31a07691---jonare.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609898a3ea924---7859229120.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e39bdada9fc---8703587693.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/raa8f06epl7ep60irjp09f6dd0/94382520475.pdf
- https://armagedonspedycja.pl/files/file/jilukelemiluzifukoguve.pdf
- https://aslimitada.com/userfiles/file/82954632894.pdf
- https://hogies.com/includes/template/uploads/file/85696524998.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942e4ed9483---jofufiwekiludagodatugemed.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/rq0mdd5ea42f3j5v662rehvi4s/kevodon.pdf
- http://waterreducer.cn/d/files/5243355940.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=directions+to+downtown+san+antonio
- 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_off0000d6b1.binc479540f9a0bad07ddea31a5655519ae7e6137ef46a986e600b752524879c34a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B1 | 10404 bytes |
font_01_sfnt_off0000ee76.binfe1296a28a2c127c4fdc81f217c5b0f43c099472a1e36455a17b67608c39d399 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE76 | 17416 bytes |
font_02_sfnt_off00011c15.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C15 | 16792 bytes |
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