MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it's designed to lure users to malicious content. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a tactic of using link farms on potentially compromised infrastructure to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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 http://lctrading-gmbh.com/ckfinder/userfiles/files/8056567809.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/772a3f88947f1199dccdf8f3cd8371ab/jikukufixinotuborak.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/m4s5o3dmd5s6bge7ev5ac8q871/52408560074.pdf
- http://adimhukuk.com/resimler/files/jofavipibawebodazisow.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bb731e4d488---40320575368.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/clt9c88gch60ni4504uqd6n9m5/jolekelula.pdf
- https://alkalacarservice.com/public_html/userfiles/file/26034875465.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/5hd4oub0ckklvtf7892l4rvoaa/kuleraforimuwuziruti.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/bf416124d829e422678e82374af987c9/10701235465.pdf
- https://renebeumer.nl/userfiles/file/torixadoruk.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949683aa15e---vepagixozizerizanebidiri.pdf
- http://bukharasuwanee.com/sites/default/files/file/bafevogesanivotewalusazo.pdf
- https://monyetjoget.com/contents//files/5408545169.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bf852c52---padelewubu.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080ad9294a86---vesusiju.pdf
- http://kirilmazbardak.com/userfiles/file/81957347078.pdf
- http://bagiez.com/userfiles/file/48361989700.pdf
- http://dinskayarealty.ru/media/file/17162924624.pdf
- https://bluza-shop.ru/content/File/gamotorixafudit.pdf
- https://goldenlinejsc.com/userfiles/file/jenuxunoduxadipederoxi.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ea7b00c39---koviliv.pdf
- https://delcinfo.ru/img/files/files/61753694981.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c3014152b30b919eb05c33a96dc36ce4/21827435489.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=word+document+resume+cover+letter+template
- 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_off0000f22f.bin78bf5b725e45c403bc5477e2a3909be1b04c96cf08910d4ee6793eb3e38f28b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22F | 10740 bytes |
font_01_sfnt_off00010af5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF5 | 16792 bytes |
font_02_sfnt_off00012307.bina47380b00e1ee1dbb99942f35a6cfcfa596ee18007b5b8f57e4a0b43d9e2b48c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12307 | 16044 bytes |
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