MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, with several URLs pointing to compromised CMS upload directories. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest an attempt to lure users to potentially malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://ankaraeksioglu.com/resimler/files/60212368416.pdf In PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/4a92c0eeb326fd591d11a7b33717b443/bufutuji.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420103831fe---repavekepej.pdfIn PDF document text
- http://vinabomi.com/uploads/userfiles/file/tikemodizirofikugudav.pdfIn PDF document text
- https://daaeportrett.no/upload/file/20719222255.pdfIn PDF document text
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/rudiwoni.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b2ca8ce0ba451a7a939fe742db153bbf/tevexalupotor.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/jadowasakejazozivobi.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/boripolupadi.pdfIn PDF document text
- http://arnoldbolingbroke.com/ckfinder/userfiles/files/nogikekovejawesixo.pdfIn PDF document text
- http://sciattella.net/images/file/zititole.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/67164575069.pdfIn PDF document text
- https://rwd1.thadv.com/upload/files/47822559933.pdfIn PDF document text
- https://novsport.com/content/File/dujujufakelim.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/32425983352.pdfIn PDF document text
- http://lawyergz.net/uploadfile/files/9859578698.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/lafuvelukavekidovisip.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/47781785373.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/bosetoruvozipivumu.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/1240152021.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/jalotogusibu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=minecraft+furniture+mod+apk+downloadPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC193 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AA | 10884 bytes |
SHA-256: ad1f62f52e64466e306c16eeb7f610c87c1d4b58e890e30d70bd2d2039c7ba3a |
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font_02_sfnt_off0000f2de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DE | 16940 bytes |
SHA-256: 4c136380bf07b46f058f49c7964a3daf41c8d67e8670973905587d8ce0211713 |
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