MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to potentially compromised websites or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using such sites for distribution. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, likely serving as a lure for phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://risme.vn/files/58916243289.pdf
- http://baoveantam.org/upload/files/fexejoxuxevobep.pdf
- https://masihpt2.com/contents/files/gedurukazij.pdf
- https://handinhand-daycare.com/ckfinder/userfiles/files/weranerux.pdf
- http://myphamnanyno.com/luutru/files/wozexejetopupi.pdf
- https://futurefacesmiami.com/uploads/file/63783198773.pdf
- http://www.dkmodels.net/ckfinder/userfiles/files/51747011603.pdf
- http://dmkert.hu/files/file/guwoki.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf0790e5a9---nekamuzetosipax.pdf
- http://joyearland.com/ckfinder/userfiles/files/napazukelurevamib.pdf
- http://7166867.ru/ckfinder/userfiles/files/14501932628.pdf
- http://commsoft.nu/demo/ktb/wsmbilder/files/pekakixozez.pdf
- http://fotostudiovaccari.it/userfiles/files/rilelurufozatudijesa.pdf
- http://incomsistema.ru/ckfinder/userfiles/files/47529123779.pdf
- http://orenprom.com/img/account/file/zitazubakuxure.pdf
- http://teifsepahan.com/files/file/88693078972.pdf
- http://ahlhy.com/uploads/file/100454564324.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614643ce6a20d---tinuzapujovogazagumumekis.pdf
- http://perksys.com/userfiles/file/8010464897.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/cc6e99d062e4a9b93250694232e8d5d6/17182865929.pdf
- https://nationalshield-uae.com/userfiles/files/jorevolelof.pdf
- http://newbusan.net/FileData/ckfinder/files/20210902_6C98065D7E2E4300.pdf
- http://chiari-web.com/ckfinder/optimist/files/bovepavagojosax.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c62e1509047f633514c5536392cda20d/46993655740.pdf
- http://www.39koratmachinery.com/file_upload/files/63597147618.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+joys+of+motherhood+read+online
- 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_off0000bf4f.binb883536bd278dd533f921dc0eb5ac95f825972b92ed6e7e0b3740632d89dc354 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF4F | 18704 bytes |
font_01_sfnt_off0000f001.bincc5dd53f08e8fbbaf124463cdea9d32ce410461f922902f68f8f0817164b0a7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF001 | 10828 bytes |
font_02_sfnt_off000108c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C8 | 16792 bytes |
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