MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to external, potentially malicious websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://gaushalango.com/uploaded_files/userfiles/files/72077448422.pdf
- http://elfobchod.cz/foto/Image/file/97232768213.pdf
- https://coonvalleycc.com/userfiles/file/labujof.pdf
- http://panda-es.tokyo/yamituki-n/uploads/files/60058460287.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d34863a0933---83218746431.pdf
- https://at-studio.tw/app/webroot/userfiles/files/20210702_040835.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/5r0g0dt0mn26vse95bcsujns4b/97695139649.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7ef896a4---9696726480.pdf
- https://unaizahic.com/Files/files/pijomilefafevugivi.pdf
- http://ingmontagna.com/userfiles/files/wadawowu.pdf
- http://amphorabeautyclub.com/campannas/file/24197207736.pdf
- http://chaukitchen.com/uploads/files/63630862906.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/dti2dqa4gcb1a7lrj8gkhtdkap/10313456269.pdf
- https://icon-studios.com/userfiles/file/12213231634.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160840d9e29887---volewila.pdf
- http://activesolutionelectric.com/images/file/mofugavowejoludep.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/76da88cdb43d842cba81caec896e45bc/57816654490.pdf
- http://yuha.be/_files/file/gejomiposekog.pdf
- http://livingkaneohe.com/userimages/2551943751.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/37e623cf9a84dea7cc70c89a4bcd2316/wubaxakafomivizijapirev.pdf
- http://botosani.ro/img/uploads/file/87389183896.pdf
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zevaf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=tratamiento+quirurgico+priapismo+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_off0000ef2c.bin3fbcdcc6c8490282b7c389d3845e8e7d1a7f646364208dba5a7375407dee07ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2C | 11124 bytes |
font_01_sfnt_off0001089c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089C | 16792 bytes |
font_02_sfnt_off000120ae.bin52582df64c7316b70e277ac6dcbeb347dad3ef0b241e30e62b8a84fe0823ccb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AE | 19636 bytes |
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