MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to potentially malicious PDF files, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or host multiple lures. While no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs strongly suggest a phishing or malware distribution vector, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://originalbau.hu/imagesfiles/8988994903.pdf In PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/6078424661.pdfIn PDF document text
- http://geraldinekilkelly.ie/44739168708.pdfIn PDF document text
- https://ka-base.no/images_content/file/wuwelav.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/68434228266.pdfIn PDF document text
- http://ewtch.com/upload/files/zovub.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///zatojenirotedusamokuzob.pdfIn PDF document text
- http://haiqi-machine.com/d/files/zitagasugo.pdfIn PDF document text
- http://ulv-fogger.es/d/files/33998338367.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427068e93ae---velosoxemexatokefudi.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/32237638098.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/woguf.pdfIn PDF document text
- https://pustelnik-budownictwo.pl/ckfinder/userfiles/files/9592467906.pdfIn PDF document text
- http://forepic.com/_UploadFile/Images/file/88467774448.pdfIn PDF document text
- http://bacsionline.net/userfiles/file/lufetepajo.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/viwotopagubejenaloxetese.pdfIn PDF document text
- http://mishelik.ru/userfiles/file/nilivuvenupovusevonev.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/duredixodipodakolikut.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/valaxolufekemogitilufo.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/nawufilowefule.pdfIn PDF document text
- http://expertsystemgroup.com/file_media/file_image/file/98275334406.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/73499444003.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/45320901397.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=thrones+of+britannia+cheatsPDF 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_off0000defe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEFE | 18376 bytes |
SHA-256: b115199135607f07e80b63560e4b418a94f5099aa67b646025afca211b303278 |
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font_01_sfnt_off00010e83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001269a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1269A | 10488 bytes |
SHA-256: ca0abc5ae01292e27887d038ba77cb5e60dd09cc040bdb9cfecae17ccee4543d |
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