MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF contains numerous external URIs, many of which point to disposable hosting and are used in a link farm pattern, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the overall structure strongly indicate an attempt to trick the user into downloading a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=be+here+now+pdf+free+download PDF link annotation
- https://neurondevelopment.org/userfiles/file/5335833037.pdfIn PDF document text
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/71649578448.pdfIn PDF document text
- http://spokoino.ru/i/upload/files/wadazurimegiribisanana.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/netulevanavuzu.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ogls4t8pcv7p9qk58thj7f200p/68142103609.pdfIn PDF document text
- http://aucoindeshalles.fr/menu/file/61937580544.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161461316d186b---lojefipudi.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/dipawodopurazeso.pdfIn PDF document text
- https://davnosti.ru/upload/garezifemevusadumitap.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/xiwali.pdfIn PDF document text
- https://ww150006.linebot.net/upfile/files/20210918194623.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/30930371855.pdfIn PDF document text
- http://perfect-gallery.com/userfiles/file/vobokiwe.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/175735229161486d2dd0d6a.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/baraniwivovitema.pdfIn PDF document text
- http://tfe-design.dk/userfiles/file/56017279047.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/paboruzavixewulefun.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/66695024917.pdfIn PDF document text
- http://majortaylorride.info/images/uploaded/file/pomozitajemipi.pdfIn PDF document text
- http://195exim.com/datas/files/17822875990.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/39964742471.pdfIn PDF document text
- http://residenceraffaellotorino.com/userfiles/files/xisokexogewoge.pdfIn PDF document text
- https://johanbjerke.se/userfiles/file/vuxewu.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/98291317323.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_off0000ddab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BD | 17956 bytes |
SHA-256: 26792445695f50dd63867224b91cf60338fd881830dcf3a450604b48593e604b |
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font_02_sfnt_off0001245f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245F | 10376 bytes |
SHA-256: 4b1efb7a9cb220618decb9617249f003a02ff8c60f57410ad0a6a4d236e83efb |
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