MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs suggest an attempt to redirect users to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 http://phillipsbricksalumni.com/clients/56168/File/7622997537.pdf In PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/292189915.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607027e7cc565---34401707431.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16235035071791252194.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d63b3dad4ec---88338233562.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/94242925687.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075d44456369---povuruno.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/dd7f2acbdaa40b38362dba73f702a100/vamigetawas.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16087e7ef84676---miniz.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609891f96e7b5---menuwaxapidolurodezizizu.pdfIn PDF document text
- http://cnokorea.com/userfiles/file/gabagilerug.pdfIn PDF document text
- http://wellnesszeewolde.nl/site/data/ws/files/11230633406.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f11513faa---17105489559.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/jnnebtljv7j12me3ac3icrtur3/48820748071.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/aaa8a1d74055233e3fb28d4d235cc194/xudubufolapul.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/63543541336.pdfIn PDF document text
- https://careersourceokaloosawalton.com/files/public/belanesag.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/19d0f4c4ca906efff6350d4069091495/31522215972.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/1f83d772b0b8399c4c1bdb73b86952fd/34580134044.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802e7fc589c---femajuwizininixugizusa.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/63801615759.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba074596142---bunafumivosukog.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609548a110300---zereremolaw.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210702_FFF0B02A395091DC.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021617186423202.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/42059f4ee268e08e5c579cb1e3980fe3/gidefodosumevopenukaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=ccna+answers+chapter+11PDF 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_off0000ea9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B0 | 16316 bytes |
SHA-256: 9847c36169d2623a942c38bf75fe168521b3adbf01b42d871076c1459d58cf05 |
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font_02_sfnt_off00012cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CFD | 10384 bytes |
SHA-256: 971fcffe86eaef233f41b3afa60d3f994e75f9c00b910cf1e62d4b9c67febda6 |
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