MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to direct users to potentially harmful content. The presence of external URIs and the overall structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://smidgel.ru/uplcv?utm_term=how+to+use+paver+base+step+1
- http://zahradysnapady.cz/soubory/files/bigevinizupaj.pdf
- http://grawerlik.pl/userfiles/file/digemerikuti.pdf
- https://baongochoa.com/upload/file/77247877912.pdf
- http://marcus-1.com/FileData/ckfinder/files/20210618_753CB52D6601340D.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/jrkj8dblcqlap59i4vri2mqr6d/kerojamebofun.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/065cde54a70ad5e9bc20f8de954299ba/63250786662.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/54eicgnvg7q3oa35rdtu60hqto/gelabufasefafozedumeke.pdf
- http://tachikawa-derma.biz/ckfinder/userfiles/files/83625545047.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/7dabb6b86173a0cc488e81cd682cea7a/54909091942.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a6a9ce7ba---vazipibosulunalo.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/ac18e67f72f864c7f5a2e26bae2ca13b/tazajigusevuzuxaki.pdf
- http://acril.ru/ufiles/files/gitiredonovaxizofujuli.pdf
- https://nsck-cykelmotion.dk/userfiles/file/33931478157.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e7809125e16---buretoxexodakupa.pdf
- http://foto-klub.dk/userfiles/file/niremebariwuluvosuzali.pdf
- http://szilasfood.hu/pic_upload/files/81604156724.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4177bb935---77752771397.pdf
- http://sunnysidehigh65.com/clients/d/d0/d00d1ad1640c45b888f5e58ac216a5d1/File/13066801992.pdf
- http://sosnovgeo.ru/userfiles/file/zetotajulagotavawuzep.pdf
- http://np-laser.com/upload_fck/file/2021-6-21/20210621000102282718.pdf
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/c4495806c4a3cfcc229d1e9c4c6e7b29/66327090175.pdf
- https://vinniescustoms.com/userfiles/files/gegetajufemozawetugefepa.pdf
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/d43ba0e2536342d29c4adfda3c1bb263/bavupanorixibasatosazowi.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5060bbf70---fowasigogukulizakiwekizu.pdf
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/f38ba60d773a806ba63059b8ed4a928d/kotosurugileli.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_off0000fc5c.bin8447c794fe713aba3c82de94a53fa2f5898efa4413cc2c52b6bfb1525ede23bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5C | 17704 bytes |
font_01_sfnt_off00012b11.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B11 | 16792 bytes |
font_02_sfnt_off00014328.bin8f4436eebd2714f4ca8479a3dd0a2eedda93d089b2b9bd9ce633886e9a6a64a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14328 | 10436 bytes |
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