MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded links, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The 'SE_CALLBACK_LURE' heuristic suggests a callback phishing or tech-support scam pattern. Although no scripts were explicitly extracted, the presence of external URIs and the ML classifier's high confidence score strongly suggest malicious intent.
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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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 https://wastran.ru/uplcv?utm_term=tekken+3+game+download+apk+mod PDF link annotation
- http://snieznik.pl/userfiles/file/82651709881.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613879ce30a3a---59440657138.pdfIn PDF document text
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/vulufexafagagodunu.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/tuluzab.pdfIn PDF document text
- http://havefuntogether.com/image/upload/File/wuribufabozozijexureze.pdfIn PDF document text
- http://exosushi.com/uploads/files/33527033328.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/33845874456.pdfIn PDF document text
- http://ferrogep99.hu/static/media/file/wupomekokolezeponajakak.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/taligeledekevowul.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/42925598264.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/81537930148.pdfIn PDF document text
- https://associazionebriciole.it/public/file/57879931687.pdfIn PDF document text
- http://coffee33.ru/archive/file/76857881489.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/zamasosewazawinijefugoniw.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/xazivupiramujakipuzevafuf.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/24855092736.pdfIn PDF document text
- http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/8851301696.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/4569029934.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/87784227956.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/pokabese.pdfIn PDF document text
- http://walosports.cl/userfiles/file/wakiwig.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/63770149597.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/98911836681.pdfIn PDF document text
- http://teifsepahan.com/files/file/19309613059.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/18745549573.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_off0000c00a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC00A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d81c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD81C | 16840 bytes |
SHA-256: 25f0128fa48d3637cee5c024d2e66074a8fa2147edac8c0c14e9c71183352d9c |
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font_02_sfnt_off000102cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CB | 10588 bytes |
SHA-256: fec252116f57be0ba3dabc01f950333c24be639216945ccfcb63f0d84a437bec |
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