MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a phishing or scam campaign. The primary function appears to be redirecting users to external malicious content, likely to distribute further malware or harvest credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://huntic.ru/uplcv?utm_term=sims+4+game+packs+free+download PDF link annotation
- https://stl-log.com/htdocs/cljr/data/files/jevazu.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161354941d3996---238444440.pdfIn PDF document text
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sizezaniwevafaraposowo.pdfIn PDF document text
- http://iranjobex.com/cache/fck_files/file/lawexemikononupofadu.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210914151734.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/ruzeno.pdfIn PDF document text
- http://thaide.org/userfiles/file/fukosipexigozirez.pdfIn PDF document text
- http://booklandbooks.com/userfiles/file/sufekila.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/3182579449.pdfIn PDF document text
- https://bostaninsaat.com/image/files/kubumuxevevusesufarunejes.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613637daf3253---18288619299.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/fukovowawoko.pdfIn PDF document text
- http://haokunchem.cn/upload/files/50473726077.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/bekunuzezunined.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc29626baf---sezigegonarug.pdfIn PDF document text
- http://bibliotekaszamocin.pl/img/upload/files/pevufovatoxasavufano.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/67730122234.pdfIn PDF document text
- http://assotechne.eu/userfiles/files/88426195818.pdfIn PDF document text
- https://trieurodata.ro/images/file/xenagar.pdfIn PDF document text
- http://tamphuhiep.com/Images_upload/files/garobisumup.pdfIn PDF document text
- http://akcihlar.cz/userfiles/file/86996795585.pdfIn PDF document text
- http://lactopad.com/uploads/files/bivufavejusoxegivopusi.pdfIn PDF document text
- 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_off0000ccf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCF9 | 16716 bytes |
SHA-256: 7076322f9eea672257262e4c28c4b043e38293de47294119b5d2961349f15f7a |
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font_01_sfnt_off0000f7fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11012 | 11196 bytes |
SHA-256: adece397d70a890b3eba1dda26c78cb56e56395ca52e2db8a747e8ce991ea516 |
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