MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users. The presence of these links strongly implies a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://coretry.ru/uplcv?utm_term=don+t+shoot+the+puppy+unblocked PDF link annotation
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/6c2c0a437f834fbd91ba327eac5de48b/libumobefexukuponipogo.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/puneguvu.pdfIn PDF document text
- http://bulmarconsult.com/files/36694785636.pdfIn PDF document text
- http://www.armstrongre.com/files/files/36564048799.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/vidoxusoxagososagawa.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/kidupubejufi.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/r5p4kka6hsedq0f719cp72pngc/3380552857.pdfIn PDF document text
- http://hindel-relax.ch/ckfinder/userfiles/files/86187276671.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/xuwiramasuwuwa.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/ruweweguvivugem.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/a933259c004f38b39585ef3112c8bce2/karobajedenamenonimotut.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210808060607_2ewah3.pdfIn PDF document text
- http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/21445596805.pdfIn PDF document text
- https://sanipacific.com/attachment/file/12507123060.pdfIn PDF document text
- https://micsys.in/userfiles/file/fivezupubokoni.pdfIn PDF document text
- http://intergeored.com/upload/File/13526037864.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16087e5700c08f---xejinesinuzarawe.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/f02aed2dadfeabfaf90f15dddc3303c8/pudemiwisi.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/89876429231.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/3412235163.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/23c7df229444a43701c7128bce38fd80/52625542012.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/vuwopukagolelaxepelupes.pdfIn PDF document text
- https://ms2gacor.com/contents/files/64361541948.pdfIn PDF document text
- 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_off0000c16f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC16F | 16368 bytes |
SHA-256: cda615f16751469af9a46a1673040c9d18f7d3873fee9e9b3db5d138ffe1f0b6 |
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font_01_sfnt_off0000eb9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB9D | 10704 bytes |
SHA-256: 7adc50ee465de3059f7ed278fa9cb6077e23879d183f65377fba3714cd9e0850 |
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font_02_sfnt_off000103f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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