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 websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the document as a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://pistant.ru/uplcv?utm_term=fluid+mechanics+and+thermodynamics+of+turbomachinery+solution+manual+pdf PDF link annotation
- https://rgcsmt.org/ckfinder/userfiles/files/1341472279.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/66431533785.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/wozusira.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/70379404665.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/ridimelekud.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/58651217653.pdfIn PDF document text
- http://chunmianxian.com/upfolder/e/files/20210908054820.pdfIn PDF document text
- http://abwva.com/uploads/files/dogisujedipokemowudi.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613729fa915de---zodagugitasirozojenizag.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/38763330845.pdfIn PDF document text
- http://rewitex.pl/userfiles/file/71874065515.pdfIn PDF document text
- https://thic.net/plugin/ce1/ckfinder/userfiles/files/sarokikutitategupinu.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/68959824236.pdfIn PDF document text
- http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/90144720430.pdfIn PDF document text
- https://smsenerji.com/resimler/files/lasimuwivevira.pdfIn PDF document text
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/52621146571.pdfIn PDF document text
- http://madmojo.com/fckupload/file/vukubi.pdfIn PDF document text
- https://somogyplusz.hu/files/1463656852.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/53684606703.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/93196030260.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/80201055344.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161475464e2fd6---92244370252.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/10f396bdd3be769393a44e4d5a7c867f/38687049769.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16144ac80d36ce---36227144287.pdfIn PDF document text
- http://abcs.umontreal.ca/upload/files/tavipinofobata.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_off0000b7ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7EE | 11216 bytes |
SHA-256: b00fb7221257db9bcf110ee478f2bc1affb71bc32887d2eb6d21042bae0b5ace |
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font_01_sfnt_off0000d1c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1C3 | 17696 bytes |
SHA-256: c9a0731b632ca8810dd76ff5fa5c80dc9083b50e83d9ed7dfa7c564add61e05b |
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font_02_sfnt_off0000ffe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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