MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The 'SE_CALLBACK_LURE' heuristic indicates the document likely contains content designed to trick the user into calling a phone number, a common tactic in tech-support scams and callback phishing. While no scripts were explicitly extracted, the presence of embedded URLs and the overall detection suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://www.pvvc.cz/files/42294627364.pdf In PDF document text
- http://aylabawadi.ae/userfiles/file/85639261551.pdfIn PDF document text
- https://tinhhoaxanh.vn/userfiles/file/46369336767.pdfIn PDF document text
- http://nattukoottam.com/userfiles/file/18545572403.pdfIn PDF document text
- https://gencatakan.com/upload/file/ritiponazavinofubofemok.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/tixin.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377109a115d---59923374916.pdfIn PDF document text
- http://srub-servis.ru/userfiles/file/27619060229.pdfIn PDF document text
- http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/59859108418.pdfIn PDF document text
- https://equinox-e.com/upload/UserFiles/file/raluwenetobuxifudid.pdfIn PDF document text
- http://belniig.by/public/file/27074383937.pdfIn PDF document text
- http://mywayrtk.info/userfiles/file/42290687124.pdfIn PDF document text
- https://bulgariapools.com/contents/files/1717168049.pdfIn PDF document text
- https://tckontrola.hr/files/mujirefef.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/66428418765.pdfIn PDF document text
- https://sledovani.gpshlidac.cz/www/userfiles/files/52107442099.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/93076000321.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/tafur.pdfIn PDF document text
- http://rc-mst.com/mst/_upload/files/40298267237.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/fexuvojekutejad.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/tuxejokolukitumuzufubonef.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16155bfdbe5e1b---relumon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=pattukottai+prabhakar+novels+free+downloadPDF link annotation
- https://mediaget.com/userfiles/files/89839516106.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_off0000bff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD809 | 22936 bytes |
SHA-256: 80111c887f14fca0db568570b11c71eb4ac73d3a6f5d6e3ff8ac69358c8dbf65 |
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font_02_sfnt_off00011385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11385 | 11080 bytes |
SHA-256: b27dfe4a5739d86e618f31ec77e0dab310c6cd572377ce816e4c629cbd25c552 |
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