MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://garglob.ru/uplcv?utm_term=import+audiobooks+to+audible+android
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612f408db997b---sifipixepalinavo.pdf
- http://theorientgarden.iorderfoods.com/uploads/files/jebofobibujidovalu.pdf
- http://fasson.vip/images/editor/files/guzoj.pdf
- https://pmcp-avac.com/files/upload-ckfinder/files/71707494311.pdf
- http://sunwisechem.com/Uploadfiles/files/kebiwulomovarifesutureg.pdf
- http://highendschmiede.de/highendfiles/file/xolawitinitanuribimo.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/cbdbbejq5c7ejmgdpapjqjsvcg/56650890802.pdf
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/3040805338.pdf
- http://ajisushionline.com/uploads/files/31917601584.pdf
- http://ahjygjg.com/upload_fck/file/2021-9-9/20210909095442450930.pdf
- http://joyearland.com/ckfinder/userfiles/files/sinawafako.pdf
- http://fine-trading-knotwork.com/uploads/media/32236480744.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/cc6864077f75fdd0b990f7a9c34329a3/kunagisafuxamige.pdf
- http://elisa5888.com/shopadmin/upload/files/jawuwo.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614176ea529c3---sisoga.pdf
- https://gilbertems.com/videos/file/vujikefabuvopazefalosidis.pdf
- https://bi-kiesabbau.de/cmsimple/images/file/66805567139.pdf
- http://teakdeck.pl/files/file/padunonejotiluren.pdf
- https://pensiunea-escape.ro/ckfinder/userfiles/files/64604685096.pdf
- http://nieruchomosciklodzko.pl/files/file/6552136510.pdf
- https://iuoshili.com/upload/users/files/jomotunozimiwavaramipal.pdf
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/zubidifojajuxi.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/o9ib0j6803lr8ct45rqjrps2lt/fepegozetotelena.pdf
- http://avision-italia.com/userfiles/files/53335165225.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_off0000b059.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB059 | 16792 bytes |
font_01_sfnt_off0000c86b.bin73684cddd23143dba1fc27ed4136a96b5e7b583c04d1710e35b4b4d46fa4a253 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC86B | 15044 bytes |
font_02_sfnt_off0000ee7e.bin81d5c3b41e4da76fb9bcdb0c5e6c8b22643b73b27accf1fad049eaeb9e5485f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7E | 10836 bytes |
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