MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan distribution intent. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://ketchas.ru/uplcv?utm_term=fresco+from+the+villa+of+mysteries+meaning PDF link annotation
- http://badgerhillfarm.uk/wutiwi.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/69834549004.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/1f9bdb1899be729888225b09b8e5914c/kinude.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4a2f5f6ea4d07cb6b2d32f7b37450455/9866338240.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/84355526620.pdfIn PDF document text
- http://nanumed.ro/uploads/files/jowejogexuto.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/84218393632.pdfIn PDF document text
- http://canissapiens.com/images/uploads/file/sepojataler.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614562ea83a70---84717019263.pdfIn PDF document text
- http://bluelakehomestay.com/uploads/image/files/88201998210.pdfIn PDF document text
- http://qhchemicalsfeed.com/upload/files/31043211185.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/57658643158.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/finokanuleparelanipuli.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614809fd290fe---remumodixasawale.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/ulfthnc24o8lrueo3a3is60l23/837420644.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/18799377270.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/2882091680.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/wavabiwevumufarepuletox.pdfIn PDF document text
- https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/lesovapuvonuzoxugun.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/66457812057.pdfIn PDF document text
- https://ijfbacknumber.com/editor_up/81312807879.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_off0000ce49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE49 | 10940 bytes |
SHA-256: 935032b6e66fdce34d2d9593bd83ef2f54e77121b6740378c4dcddc8cf7b7b32 |
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font_01_sfnt_off0000e785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE785 | 16912 bytes |
SHA-256: a99ec812acaead1e262a81c12e2c38e1c18b1054e587a129d6ed9533652c70f9 |
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font_02_sfnt_off0001131a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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