MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam, where the document likely contains instructions or a phone number to trick the user into contacting the attacker. Although no scripts were explicitly extracted, the presence of numerous external URIs and the ML classification point towards a malicious document designed to exploit user trust.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://pistant.ru/uplcv?utm_term=redmi+k40+pro+antutu PDF link annotation
- https://permargi.com/files/galeria/files/11637769404.pdfIn PDF document text
- https://galaxy-training.com/userfiles/file/8347261696.pdfIn PDF document text
- http://hotararicedo.ro/files/files/misofaberopu.pdfIn PDF document text
- http://studioturina.com/userfiles/files/fepafoluselajad.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/7f17040a9896c390a629ae61dde2199d/novobudesotojoxazikig.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/67503065599.pdfIn PDF document text
- http://moestuinwebshop.nl/userfiles/file/bapikusagukawelu.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/nirupividuvokewuxirikive.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jenevixisole.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/21918449195.pdfIn PDF document text
- https://vleek.com/uploads/files/9508000329.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/rikuveguwifosavozebus.pdfIn PDF document text
- https://alhurwallpaper.com/Files/files/kinaposapekamipugapo.pdfIn PDF document text
- https://vhcvietnam.vn/ckeditor/images/files/tuvikobubibaxebeneko.pdfIn PDF document text
- http://birdwatching.sk/media/file/vafubisixugufolujanoker.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/xisovemuvoxetep.pdfIn PDF document text
- http://seanmore.com/userData/board/file/zadunalabojagatudejo.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021091008120573499.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/betubikogusuri.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/57942710857.pdfIn PDF document text
- http://proxkimya.com/resimler/files/69233282326.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_off0000d5c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDD | 10776 bytes |
SHA-256: 02294b52af9e5fb0cd83053ebdf78dfc3dfea554f520d4fd2802c60a9ae5275d |
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font_02_sfnt_off0001069f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069F | 19320 bytes |
SHA-256: cae727fb49f7325336b31f44087bf5a95defa161bc8b9675e892f2f26c3cb26a |
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