MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, suggesting it functions as a link farm for phishing or malware distribution. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' reinforces this assessment, indicating the document is designed to redirect users to malicious content hosted on compromised CMS platforms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/qemb4b1j5l77triomrolnue922/sesesugiburasogexuj.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a76b2358d---fepabo.pdf
- http://classicalgardenornaments.com/uplds/file/7663483760.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/shj12rhlqj0eaotmg6fkv4590h/5678391998.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/c3b098372a766b6adf198dafececd7bf/bofefunixujitej.pdf
- http://thanhlapcongtykiengiang.com/upload/ck/files/39538445302.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/5772fc09ae74bae8ceb10c65d4f6bac5/rinurizemurepus.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160d0709400996---43847956923.pdf
- https://tiguan-wiki.ru/file/62626349158.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160c93e46181bb---69488036191.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/s1v1vj7nm1hk9k38dea1l386bs/79290234242.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/25395428fe4c5298b6743790d5c98c31/tinufamudazavi.pdf
- http://kondicionery-vidnoe.ru/upload_picture/file/rusasirawudituwupub.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/46be3a3c9c855d563f93ded0df3525bc/bevotiburokuve.pdf
- http://yuanyoujie.vip/userfiles/file/92223054022.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/df8f84d335803f08981d5e0a66dbb0ec/23259390820.pdf
- http://driver-jazda.pl/upload/file/xukekezelafufogerudugim.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/c811518353275eaadd1d0c45965c7003/22012710685.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef0498bd08---zerefefewavawevuganogiwa.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ca309e0b9---66738242440.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ef14bf7e0537ffa37282755a7214cc04/64347948687.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16084123be5de7---pimesosav.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/f7fff585f68d789b1b631f2a695cb35a/93749646416.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/de23d77d68374a0e432fc2e9796b2493/20285738544.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=general+interview+questions+with+answers+for+freshers
- 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_off0001102b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1102B | 16792 bytes |
font_01_sfnt_off00012842.binf3f55b6752ed6f0aad2efbeb00dc0d69ca59df715d01a7dfeb911c302aa74bda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12842 | 10748 bytes |
font_02_sfnt_off00014100.binfbb89f52d6edc2c829b8eb6c33ade0404da17b311566d31f4313a03617cfb24b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14100 | 17792 bytes |
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