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, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious or SEO-manipulated content hosted on these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f465d30daf---64013370740.pdf In PDF document text
- http://bi-acaovo.com/upload/files/tidis.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ffc4921cb---12342910045.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/5nund5e5fl998bot2v36sp8ak7/49860978252.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/xepeduj.pdfIn PDF document text
- http://nakatka.com/files/file/vizizonudalilelutabo.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/31f5dd6ad26a56ae80bbb92af91107bf/gajiwinokonakalevizadejav.pdfIn PDF document text
- http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/19481301343.pdfIn PDF document text
- https://wsbtitan.com/images/file/tujasiwejonovaxikonatadu.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/d553bd0169f922777de3df58bb8632aa/59572590867.pdfIn PDF document text
- http://radiosalsa.fr/php/rs/filesupload/file/4408190800.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210516212718.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1267ede507---bunopowepisebukile.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/1ff4818fc3bb8f180411c565e7971b17/20111956743.pdfIn PDF document text
- http://whatdwellswithin.com/file/31322237810.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/64449629814.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/2337904df0177e6b73be991946737314/84459406511.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/p8gbpgdj0qd1bqe35nr0bhjrr2/53623670611.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db4547725c---gavibobu.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/j2r94d6oj98544p83b8ro25def/45945571778.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16075f18812a4a---fezipotonaxerokune.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/202b16daa5823d3b8ca4ecc2e2fc9748/suwotifalolufaf.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/nidefitipudi.pdfIn PDF document text
- http://www.toeterloeh44.de/files/managowiwadadoderu.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/nexovijugafanoxukali.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+trade+engulfing+patternPDF 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_off0000d8d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D7 | 16036 bytes |
SHA-256: 78ead69c12465b2405c51a88ad1675a4fc1c67d07d39a9e65252d49398ebf6db |
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font_01_sfnt_off00010259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10259 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A70 | 10680 bytes |
SHA-256: 224be61bb56a27aa47f77f8dc98839a688ff0cb9768b46274495a7f404915ac9 |
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