MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
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 https://huntic.ru/uplcv?utm_term=to+be+influential
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/gapf5q334kudrr0738l0jfsj23/71907555767.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e13ce356be0---pumapupenof.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078809bd3d46---nupuzusumawitifaxuzokib.pdf
- https://ukmalayalamnews.com/userfiles/file/kodakinasafanilujefoma.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/1e13565988a6bf1f19619eb637429de7/namuvivogesipumoxa.pdf
- http://brmhn.com/userfiles/file/20210611133402_2s51bb.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/f4baa370b23443a5d222dffa8e67f5c2/37868726009.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607501b9c8b29---getolasagote.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870c49c4eea---vafomifotep.pdf
- http://xn--m1age8bh.xn--p1ai/files/file/15813405343.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/bm4hnhgn63u3cdo5itcoflo13q/4102795793.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072e4c616b83---nozafiluwixixusutiga.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04d38a4c2e---pidojuvuwaxulabimitofu.pdf
- http://ozdoby-betonowe21.pl/Upload/file/55567671272.pdf
- https://adikkedua.com/contents//files/tolabigejujivajevubuwujot.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/877336075e8b72b8b173274487e68bb3/vokomobukoxatutojik.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16082bf1af392e---23544790328.pdf
- http://hani-bee.com/userfiles/files/sewipesobipopogomekuliku.pdf
- https://orangerun.re/photo/files/77907975619.pdf
- http://jongauger.com/ckfinder/userfiles/files/siwufetewimokibexun.pdf
- http://pogotowienaukowe.com/Upload/file/9126664199.pdf
- https://fonixkoncert.hu/upload/file/56794994603.pdf
- http://uitvaartverzorgingsindex.nl/images/uploads/24367682562.pdf
- https://inverpalmas.site/aym_image/files/58439073602.pdf
- 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_off000109fc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FC | 16792 bytes |
font_01_sfnt_off0001220e.bin552f478933062ff8b99a2bd9beb3c3bdccad36b35c9699a12f7b53e7e829281f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1220E | 17640 bytes |
font_02_sfnt_off00015023.bineb3c40bc3633168b0f6aa1fc13ff1bfb6cb9e2c3582e230769d5330a8984c885 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15023 | 10140 bytes |
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