MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to potentially compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9635
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://cattaneoarchitetti.it/userfiles/files/votumanuruna.pdf In PDF document text
- http://saltokisport.com/uploads/files/tawilafonojapeberefe.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/7810815576.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/tenogakadejidox.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/35173047316.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/zodikowogap.pdfIn PDF document text
- https://jss-moms.si/upload/File/80491499020.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/40928203074.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/towabanajijuzelejilawam.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/9da18107c136d97970d441d0b65268bd/fetedegij.pdfIn PDF document text
- https://apartmani-mestrovic-krk.hr/files/3652778923.pdfIn PDF document text
- https://umartravel.com/files/9176829742.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/14365516972.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/bimezulikiji.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/54053892520.pdfIn PDF document text
- http://inoxbienhoa.com/upload/files/37069439677.pdfIn PDF document text
- https://ratodua.com/contents/files/63588879675.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/648c04a34f4627634855a6a342480cd7/82035418800.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/53456017322.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/23456340440.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7db99112b---gupog.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/8219509072.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/1c4d5ab7011e196bdf1c8d5b7c38f525/92260010676.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/827428ee57102b443b73e737cc746427/xakofukeminidixad.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/zizifa.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/14132048347.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=image+asset+android+studioPDF link annotation
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC164 | 10596 bytes |
SHA-256: b2548546fa13f1ac26c7e1b6066c1e4b8185071a41e4ab7f28aaa06387d7b179 |
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font_01_sfnt_off0000d95d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD95D | 16060 bytes |
SHA-256: 64af0185a2beffa7382febdf957b2ddd2015d3985e5bc97cf8ad64f3c2914973 |
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font_02_sfnt_off0000ee69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE69 | 1964 bytes |
SHA-256: cb83427253be486b5dc35224710cea1d2a27078ad6da64da340d8beb93dbb3aa |
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font_03_sfnt_off0000f781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF781 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_04_sfnt_off00010f93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F93 | 22252 bytes |
SHA-256: f23016d6ca88620ea5b9a48aa96a76423daab6c6d7bc591a1ece45d3991a39c8 |
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