MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by ClamAV and an ML classifier as malicious. It contains numerous embedded URLs, many of which point to a link farm hosted on disposable domains, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates this behavior. The presence of urgency language, though low-signal on its own, supports the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://studioprogettoarchitettura.eu/userfiles/files/dotiroxalurizoxa.pdf In PDF document text
- https://pt2-turbo-j3t.com/contents/files/74197070003.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161324f5ebad1c---40318891348.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/5326199142.pdfIn PDF document text
- https://www.hkfew.org.hk/ckfinder/userfiles/files/kelimuvipapugoja.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/borisag.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/15025804491.pdfIn PDF document text
- https://www.paseppe.gr/ckfinder/userfiles/files/xetikubo.pdfIn PDF document text
- https://geniodelweb.com/file/popoloronolufebetowok.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/65886791713.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/967000668.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/kelukupuwalazasuja.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/83303967542.pdfIn PDF document text
- http://capesociety.ca/uploads/files/39794836162.pdfIn PDF document text
- https://kapefashion.com/files/files/40440736948.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/19785961037.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/putuvazevufofuwori.pdfIn PDF document text
- http://vietkinggroup.com/uploads/userfiles/file/71986122347.pdfIn PDF document text
- http://brcassociati.com/userfiles/files/magulejupifafinodo.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/6348544032.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/miwezesaliv.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/mumonukanetesefofasaru.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/gikolezawefiketed.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=instagram+app+litePDF 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_off0000df96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A8 | 17832 bytes |
SHA-256: f0ea90084b469e39a4b173ae746b58eaa8a2a42a41df2837c0f52bc178cc9ab0 |
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font_02_sfnt_off000125e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E5 | 10428 bytes |
SHA-256: 4fb74c7766f7e0621272d8da63143613e40ad34d7d0fe981f4e1777bc37f0e9f |
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