MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or SEO manipulation campaign. The presence of external URIs and a link farm indicates an attempt to redirect users to potentially harmful content or external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://catamma.ru/uplcv?utm_term=short+quotes+about+finding+yourself
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/snhjc1on1hi5k2fqc4pe7eo0p4/37326129722.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/91599209fc55147815d6e8c02acf899a/kogojove.pdf
- http://nashcentralfalcon.com/clients/d/d5/d5bea9c86035def548a020f7371d19fe/File/82420362201.pdf
- https://greenvalleykerala.com/ckfinder/userfiles/files/79449568072.pdf
- http://monkey-do.net/userfiles/file/zowabekapugufibubof.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160caebc1209ab---61590091729.pdf
- http://kirakuramenandsushi.com/uploads/files/fowuxalozuge.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/3bc61a543da1285538da1f90218cb52d/96357101668.pdf
- https://klairtransport.com/uploads/files/57734009201.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21437dc208---37071601193.pdf
- http://ajivikafinance.com/userfiles/file/78379392775.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160a23d39ad91e---tagifofujotavorewigedoxa.pdf
- https://netshopnepal.com/userfiles/file/84025808761.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160719fa52da41---23706619634.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/6r6gd8llquarmhe9hvhivse1tl/rojivatijopevinaxenuguzir.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1d9ebc5cf---geduraxakabibumanu.pdf
- http://piemonteforyou.it/userfiles/file/xamuboziliz.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/bbeff431ffb09423295493dcd2fca254/53866545413.pdf
- http://akcjonariusz.com/UserFiles/file/73687783529.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075582f01c68---34845950783.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1567189cd6---goseri.pdf
- http://zoncmswebsitebeheer.nl/files/editor/file/bobemarolatedamiwa.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160812e5d10db7---fenixosomililulanive.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_off00010d6f.bin5fc2f1609e4645fd63462fd085840ed7c3e4ab9b223c1806e3a36f009962b51b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D6F | 11208 bytes |
font_01_sfnt_off0001271d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1271D | 16792 bytes |
font_02_sfnt_off00013f2f.binc74051c934c8a3d9be9589c13918c36026caa45a0337a95c6e4dd0e9d2160152 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F2F | 17804 bytes |
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