MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The 'SE_CALLBACK_LURE' heuristic suggests the document is designed to trick users into calling a phone number, consistent with phishing or tech-support scams. While no scripts were directly extracted, the presence of numerous external URIs and the overall detection profile point towards a malicious document likely exploiting PDF vulnerabilities to deliver a payload or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://coretry.ru/uplcv?utm_term=want+to+update+my+phone PDF link annotation
- https://www.truck-transport.com/ckfinder/userfiles/files/32086756147.pdfIn PDF document text
- https://777mto.info/contents/files/xufofugefuruzilegusip.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/vadoturuxexurow.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///20210901122228_888691524.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/kujatobibujutagijupig.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/jifatimisowufa.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/jinomogokub.pdfIn PDF document text
- https://sydneystudytour.com/accounting/userfiles/file/76128404944.pdfIn PDF document text
- http://pietrek.com/MARCUS/files/file/11404908230.pdfIn PDF document text
- http://teranor.com/ckfinder/userfiles/files/lolulonowowoz.pdfIn PDF document text
- https://mangonebike.com/uploads/file/wejasavifebopuvunatuzap.pdfIn PDF document text
- http://entrackintl.com/uploads/49174298060.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/mobarisa.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/taratog.pdfIn PDF document text
- http://kyea.org/imageuploads/81777604751.pdfIn PDF document text
- http://x-site.by/upload/editor/files/14415781853.pdfIn PDF document text
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/fepefejorib.pdfIn PDF document text
- http://esoftland.com/userfiles/file/90997900884.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021091808132973499.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/netero.pdfIn PDF document text
- http://peak-experience-europe.com/images/blog/file/89634042343.pdfIn PDF document text
- http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/68487730315.pdfIn PDF document text
- https://eagle-aviation.com/userfiles/files/95077780388.pdfIn PDF document text
- http://mwflower.com/upimagesfile///pepebuxilosos.pdfIn PDF document text
- http://www.heksan.com.pl/file/20234669818.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_off0000d2e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB00 | 10460 bytes |
SHA-256: b6aad03fd7907c1a480d9632ef5a98391caa2600d7061f305d3b2ed5357d5f0d |
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font_02_sfnt_off0001028f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028F | 18004 bytes |
SHA-256: 4b4c9a5384685c6c7390c6edf726556e1216aa6876262588bd974ca2adcc6eda |
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