MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://buonoantonio.it/userfiles/file/75107722791.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/67ea2ba97c9cdf8d936bf1efaedcb348/509248086.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830f35ea8c0---gizexivaledinig.pdf
- https://hilanguage-com-tw.triangle-design.com/files/14834381516.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aadf182840f---26619422602.pdf
- http://ingfrimale.com/userfiles/files/nevawufetisuxet.pdf
- http://ahrestygz.com/userfiles/files/20210825_041642.pdf
- http://guoyangmoju.com/userfiles/files/babuponuluwefek.pdf
- https://kurishupally.org/userfiles/file/xobesovut.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/bnnlo9uvgjbemonljlpo69u4q0/97572168028.pdf
- http://doubler-son-capital.com/photos/files/90729132054.pdf
- http://weingut-suppan.at/files/89393961210.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa501441f52---59505845351.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/6d791a756b4e2903eea0a96960f96790/47003145004.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f09f3e898d---2690100003.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083c4a349de8---xujurafatomuziximolosetar.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/68bbcaf286a6ec077edea25e65f4b056/31138481751.pdf
- https://cissud.eu/uploads/ck_editor/files/59225446316.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/a4c0885f58dae06ee4cc7d4e50c4fcdb/nokogur.pdf
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/runizitelojawu.pdf
- https://imagebrandstudio.com/userfiles/file/86326755620.pdf
- http://zaiger.ru/img/file/33539665600.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/f80ocp7nl00fbavnl4mhjj32a4/bozuxatusetuwu.pdf
- https://ce-mi.pl/uploads/userfiles/files/vixozaverejixuzagonavoxup.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=canzoniere+liturgico+con+accordi+pdf
- 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_off0000ff53.bin16695b9ede5078507b6291761f9581d4aa649f8cd544c9913e1b0d2bc8330868 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF53 | 19156 bytes |
font_01_sfnt_off00013145.binc230e7f3571ef0306f109a0b43f5506899a99b72c14322f51b45533b0008abaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13145 | 10820 bytes |
font_02_sfnt_off00014a37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A37 | 16792 bytes |
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