MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://midufefew.ru/wix?keyword=mitsubishi+montero+sport+parts+manual.
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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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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://midufefew.ru/wix?keyword=mitsubishi+montero+sport+parts+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4488580/normal_600fbb8600e71.pdfIn PDF document text
- http://dizurexemubegog.mygamesonline.org/b._d_singh_book.pdfIn PDF document text
- https://cdn.sqhk.co/wesuwajil/ijjhhfv/liturulemoxabegabukegaf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487197/normal_5fc9e046c46fe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446170/normal_5ffe425edc8c5.pdfIn PDF document text
- http://fiduvizowema.iblogger.org/42711045778.pdfIn PDF document text
- https://cdn.sqhk.co/zajikeze/VNXgdzQ/microsoft_excel_spreadsheet_test.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a9f3490c-def6-45ea-9957-aefa341d54bd.filesusr.com/ugd/84b587_cbe400d04de24663ace3ad567802d46c.pdf?index=trueIn PDF document text
- http://dimizisunope.epizy.com/ipmn_guidelines_2017_radiology.pdfIn PDF document text
- http://gotuzarodeg.epizy.com/wulatodez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82381fd2-2b07-42fb-a911-b759d388116a/tavimulodefu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bdc5e3e-3ba1-405d-a708-06c7d0ac3cfb/69498391045.pdfIn PDF document text
- https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_4f98890e88d841b182cab0d8a3f5fef5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/260fab2f-e187-46a8-8d97-7e973a18cef4/49383921420.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7afad83d-b10a-47c6-908c-9cd33f8a9f0e/hp_photosmart_5510_printer_troubleshooting.pdfIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_efa97f44f53c4a3098db74a8fd7bef3f.pdf?index=trueIn PDF document text
- http://bolirazebaf.myartsonline.com/calendario_escolar_2020_mineduc.pdfIn PDF document text
- http://nivufebolira.epizy.com/how_to_program_intermatic_light_switch.pdfIn PDF document text
- https://19508648-7f28-415f-8121-b57715dc1465.filesusr.com/ugd/9734e7_92e445128055400ab1e652ae67589da1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/330c8207-b29d-4b45-8ee2-8e01bb4486b6/triumph_tiger_cub_manual.pdfIn PDF document text
- http://lojizigakuxit.epizy.com/judezasozotubawote.pdfIn PDF document text
- https://05282879-aed3-4f16-ac14-d534add4d4bd.filesusr.com/ugd/0f8b7c_4008dc1362bc467d88288591ba6cde7e.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9C | 5204 bytes |
SHA-256: a54dda6063c03fc140822b5aa9524e445fdec23930f647cd27df9e34d87159b8 |
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font_01_sfnt_off0000f020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF020 | 11140 bytes |
SHA-256: 71ee889ca0760a75d014f380813fe3d8ae7887f1387cef758a71c817dba53240 |
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