MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic to obscure the true destination or leverage compromised infrastructure. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ketchas.ru/uplcv?utm_term=contractions+after+water+breaks
- http://intproplaw.com/admin/uploads/file/gijuwemotuvipinur.pdf
- https://www.mnogotrop.com/ckfinder/userfiles/files/45342544121.pdf
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/dobovox.pdf
- http://beautifulmoda.com/userfiles/files/rewixosi.pdf
- https://baoholaodong24.baohohoanglong.com/userfiles/file/mapovul.pdf
- http://studiomanzetti.it/userfiles/files/tifonowevikivarovet.pdf
- http://pokebarslo.com/uploads/files/najudopaperu.pdf
- https://cpsguffanti.it/uploads/file/gebiterilorimibedi.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16144bdaa4dcce---mikowafetapube.pdf
- http://evopizza.lt/ckfinder/userfiles/files/1455656922.pdf
- https://takitech.hu/userfiles/file/70516653101.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d494f5f601---lipevoseriw.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161563c631f889---59111502578.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/fpbnijnfblrg2vh4hs1onh0s91/19313831406.pdf
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/zejokofoti.pdf
- http://we2meeting.com/ckfinder/userfiles/publics/files/jevuzifusisup.pdf
- https://777mto.net/contents/files/bobinawesazexavapuwebono.pdf
- http://jjteriyaki.iorderfoods.com/uploads/files/kozisibukixevumutororuto.pdf
- http://barexkft.hu/userfiles/file/tovivinibuzosugulu.pdf
- http://www.ecostroyservis.ru/File/33511929493.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/km9oplhdnhp7r5boemg5tvjbc9/jotaxiwusaje.pdf
- http://www.pzkexie.com/up_files/file/47064344136.pdf
- http://panova-art.com/files/file/1533545145.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e1c357e4c---votuxexumumafuvutape.pdf
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/zupapewaj.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_off0000dc61.bin69def8a0715b2d3d4a4bd2479519abc2168c511190035c7b10262d6a98036db4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC61 | 10632 bytes |
font_01_sfnt_off0000f501.bin74c039c26c282dae5d0afb1b65d33a01dce4e3621a950315a814d98e479a5260 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF501 | 16952 bytes |
font_02_sfnt_off00012037.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12037 | 16792 bytes |
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