MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites and other domains, likely to host phishing content or further malware. The presence of external URIs and a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/d39kea9dpt4107ve8c5cb8hr47/6182667748.pdf
- https://susta.vn/userfiles/file/bujovoj.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/e03646bc1dc26f863f884895e7bc1529/ladupuvapopine.pdf
- http://blueyee.com/upload/file/151511227642.pdf
- http://hawks79.com/clients/85064/File/93362286073.pdf
- https://kisikana.hr/userfiles/file/16057654735.pdf
- http://kulturazebrak.cz/userfiles/dizaluwomururugefavin.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/b98711a39112f90478352011c1b2c2b1/derixuxogezumobegiguxi.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b46647fb6---wozudowalepubi.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160b020f682829---66021443588.pdf
- https://bmw-zona.ru/uploads/file/87264472951.pdf
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/9426693278.pdf
- http://alliance-ltd.com/userfiles/42123123404.pdf
- http://vestmorecapital.com/images/epost/10338940457.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73a2bec174---73234827674.pdf
- http://drukarnia-warszawa.pl/pliki/file/modepugefelomugajunigax.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/0d5aa79de6e61fbb0fda2216cc03afa0/dimuwijari.pdf
- http://bmsorganica.com/userfiles/file/36061982690.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a09aeb5036d---lajudakunaje.pdf
- http://waltwhitmanhsclassof1970.com/clients/3/38/385e9ad2c098ba3bcab8db81b262ab1e/File/rorizawolojiz.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/imch5bjcnkhk9pp792vhnuu50c/nategatilemer.pdf
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/vunem.pdf
- http://mediedil.eu/userfiles/files/xezexopojuminavuni.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608882862eb31---zuxewajuzajumowuno.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f690285072---savobikawubozuv.pdf
- https://producedepot.us/userfiles/files/mobafaramujamawikubebova.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=signs+of+an+under+active+thyroid
- 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_off0000f84b.bind08ff3bc0d2d594f18a933c0eab4127014c224faa73d69e2f0f6a8491f294740 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84B | 11064 bytes |
font_01_sfnt_off000111d9.bin0e32fd8049b4f4143387d089682eba4bc3f55700d036725a573cbe63c084d6e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D9 | 16656 bytes |
font_02_sfnt_off00013d5b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D5B | 16792 bytes |
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