MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to compromised websites and potentially disposable hosting, suggesting an attempt to redirect users to phishing or malware-hosting sites. The presence of multiple external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://binarbaidfabrication.com/public_html/userfiles/file/liwexijeke.pdf In PDF document text
- http://biancoacolori.it/userfiles/files/14952583647.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2270d36d6c---67427116194.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16099c39cd0eff---41784749883.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/wojifeni.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/22706702461.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcc55ca3a9c---87809653851.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/96970632629.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/tafijarufel.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/maxil.pdfIn PDF document text
- http://constantcontinuity.com/membership/data//files/26494959469.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/88147494721.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/610c6f7e59d1794dd0ad97b430cc552c/20680248679.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/d8ec345f95f0587075404e4db200b1f1/36812580134.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/39935237355.pdfIn PDF document text
- http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/48499554335.pdfIn PDF document text
- https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/941e9f0e9d6690a5a0ea77897fcb6ed6/35503237594.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/l9bsnrk92uf5ita2vohk9ev4o4/98357624345.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071eb9ff3196---77985028726.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/vifalawob.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/5a6569d8ce2035760f36139600e18cdb/gasaxonilipejula.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af5eef7449d---7885505749.pdfIn PDF document text
- http://goref.ru/files/file/16187812826.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/jogujiboxorow.pdfIn PDF document text
- https://5of7edwardstreet.com/assets/media/files/garagorinimolivekurew.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2f45f02a9---56041539108.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/tuwilimenulemozelide.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=chemistry+net+ionic+equations+worksheet+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC971 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE183 | 17552 bytes |
SHA-256: 16a0460b2dbd97d034496bd7d18141a287a4ae96cd9cfddeea5938a929ec1f90 |
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font_02_sfnt_off00010ec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC4 | 11016 bytes |
SHA-256: bbcc10bf5591dc3d48585fc65aabe44d83819c1872b4fd20d2eadcb7ba257feb |
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