MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a phishing or malicious intent. Heuristics suggest the document uses urgency or callback lures to trick the user into interacting with embedded links. The presence of numerous unknown URLs further supports a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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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://prota.ru/upload/files/76734965511.pdf In PDF document text
- https://kinohorror.com/upload/file/87977126867.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/nojulelukob.pdfIn PDF document text
- http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/8134460661.pdfIn PDF document text
- https://olivermilk.vn/tctt/sites/aaa/file/disibap.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614920a8d49fd---xigewogebosawebinezuxosur.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/widonaxi.pdfIn PDF document text
- https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/sebiwulavavotibujomaja.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/zisapunibefenomonowo.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/5647042374.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/49738609024.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/76290578154.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/69868326508.pdfIn PDF document text
- http://sdes.in/uploads/7220272211.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/66331808636.pdfIn PDF document text
- http://telegid.tv/userfiles/file/lidimilewamivumoxasudof.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/namurirawuzomojujapex.pdfIn PDF document text
- http://www.companyforte.com/imagenes/editor/file/xaguxow.pdfIn PDF document text
- http://spzpoz-zdunskawola.pl/upload/file/16752154767.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613964ec6c57c---mifeletifosig.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/1230007060.pdfIn PDF document text
- https://ksboutlet.com/file/files/posomivurulisijubix.pdfIn PDF document text
- http://goldenteriyaki.com/uploads/files/69310336895.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/rifitosefubegiwonorafiba.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=expiry+date+excel+templatePDF 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_off0000bf89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A0 | 10480 bytes |
SHA-256: e687522f038baa069a9aa70b38a3b1a4eef7f01bc4a882c46d72ee8a7a6441f9 |
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font_02_sfnt_off0000ef72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF72 | 18376 bytes |
SHA-256: 1ded072b9ddab6259ba3602a67f754d17bce7bf6ad47cccc47ddb13cb375330b |
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