MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to domains that appear to be used for hosting malicious files or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, suggesting an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://idosekotthonaveresegyhaz.hu/files/files/somipif.pdf In PDF document text
- http://samuiluxurytravel.com/Uploads/file/falepotizigopabal.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/eecd7a1dcf182cbb7ade4f1b3783936c/zewepus.pdfIn PDF document text
- http://thekitchendesignstudio.org/uploads/files/22724798760.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/berapedofukodalapugo.pdfIn PDF document text
- http://theffirm.com/userfiles/file/paxisej.pdfIn PDF document text
- https://pasarangroup1.com/contents/files/64703661991.pdfIn PDF document text
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/sakurolezavidikaz.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16141383a77347---87322314660.pdfIn PDF document text
- http://kelvista.lt/images/files/28084519579.pdfIn PDF document text
- http://findingthegrey.com/userfiles/file/xegugefemivoxexivor.pdfIn PDF document text
- http://www.moyekolodin.com/files/tukunorominesilumokozak.pdfIn PDF document text
- https://lean-ds.com/upload/editor/file/nutogukazefedan.pdfIn PDF document text
- https://davaocarrental.com/images/file/16547756988.pdfIn PDF document text
- http://wish-pharma.com/upload/files/99428320048.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/97906201913.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210905_47BCBEF79995C6CC.pdfIn PDF document text
- http://hotechike.com/files/files/60255959517.pdfIn PDF document text
- http://minipit.com/data/files/86522949740.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebb3a32f8d---58612359122.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/subosiwuselikosofi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+cast+android+tv+to+phonePDF 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_off0000e1b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CE | 10708 bytes |
SHA-256: 807c50cfd830e52692a8f7f6aa9173ff056529f659bc82c2230ac4350d5bae8f |
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font_02_sfnt_off00011258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11258 | 18144 bytes |
SHA-256: 20ac816a6b8ebdb0870d408f53a5b83a993d2176540299b383bdccdb8c5659bb |
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