MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of multiple external URLs, including one disguised as a guide to bypass Android screen locks, suggests a phishing or social engineering lure. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic further supports this, indicating the document may be a precursor to delivering a password-protected malicious archive.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://crewmak.ru/uplcv?utm_term=how+to+bypass+screen+pattern+lock+on+android PDF link annotation
- http://indagosrl.it/userfiles/files/sufefibi.pdfIn PDF document text
- https://goldmenu.com/userfiles/file/nuxoguboveni.pdfIn PDF document text
- http://delve-cr.com/uploads/36554915875.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/42890841853.pdfIn PDF document text
- http://quangcongluc.com/upload/files/fixazojitiremanobami.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///jadowutipawo.pdfIn PDF document text
- https://pragatitic.org/ckfinder/userfiles/files/55804012899.pdfIn PDF document text
- https://movimientofamiliadejesus.com/images/uploaded/file/kedujo.pdfIn PDF document text
- http://datcat.vn/2018/file/57595758637.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/totexatibisakuxel.pdfIn PDF document text
- https://eclearusa.com/images/file/didoga.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/85699798698.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4bc6d2ce4---ziguvopuxirefo.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/34396473231.pdfIn PDF document text
- http://ammk.sk/userfiles/file/nexiboxuzolusawi.pdfIn PDF document text
- https://crc.creativechange.net/ckfinder/userfiles/files/65925168461.pdfIn PDF document text
- https://kapefashion.com/files/files/xoboxuditagarusovijawepa.pdfIn PDF document text
- https://rakowka.pl/userfiles/file/fezokenoluwedamirubusadov.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/tobebebomelasopinedi.pdfIn PDF document text
- http://baltyk.recykling-rejs.pl/imgturysta/files/zifena.pdfIn PDF document text
- http://abwingsde.com/uploads/files/likovutegexitelo.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/39187635199.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_off0000d8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F8 | 17664 bytes |
SHA-256: 729ff68f8e1e55f61cc51c38dd509d30379a3364b40c72e2a5b17aa388240969 |
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font_01_sfnt_off00010639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10639 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E50 | 10928 bytes |
SHA-256: 9ba621cd419bed26e559b820bbfaebe00688e6dcd0798e9cb2d395a808d8ff0e |
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