MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be compromised WordPress installations used for hosting PDF files. The presence of a link farm suggests an attempt to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://x-software.cz/data/file/pugudeturop.pdf
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b75e6dee34d---4279878689.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/4t5mjt4iima71t52pepj4pcfaj/37716889066.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/4660b88b2171bd21c0eb4d27a5a19a7f/12590775066.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607731ae5c4ce---19060173091.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/3e6efce3889f32aac2ff56040642e157/34668184554.pdf
- http://cnc-soustruzeni.cz/files/file/miwunu.pdf
- https://organicfertilizerproduction.com/d/files/kelosiviv.pdf
- https://hopadive.cz/ckfinder/userfiles/files/dunaxelujuxes.pdf
- http://paoladebenedetti.eu/userfiles/files/23703054230.pdf
- http://stavclearing.ru/upload/files/vaxofefetitabofizupu.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe39f32994---zolawevenetogeminovize.pdf
- http://indyztyle.com/ckfinder/userfiles/files/70321387593.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b203121e243---30904637743.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/97643a856a5858be192823b34ca38e76/deluzitawiwobojo.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6pcobkkgngefb4glvic29ch7a6/funumojimunaxanaboxifuge.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8003db63f---53715846336.pdf
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/c4fd10e5800101e95768db03c92d0a21/mikuriratuduwonemusi.pdf
- http://italiangreyhound.pl/img1/userfiles/file/22053921214.pdf
- http://www.papelerialapiceros.es/ckfinder/userfiles/files/12679071326.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba3694f459---59140324352.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/24053a594550dde5a0dcc1558d2b7c86/femujiribodikeg.pdf
- http://bagiez.com/userfiles/file/mozemibajifo.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607592e4297e1---13086010625.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=lagu+im+only+one+call+away
- 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_off0000e0a2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A2 | 16792 bytes |
font_01_sfnt_off0000f8b9.binc41d266d5cac165d34e683251584f47fa8459622d22acee6f66a8125812c0447 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B9 | 10464 bytes |
font_02_sfnt_off0001107b.bin4226afc47fd317959f506bfae96a250ddfe11c011688776c3c71905e32ac3e1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107B | 16912 bytes |
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