Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2fded77f0235066…

MALICIOUS

PDF

190.2 KB Created: 2021-05-24 17:14:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 193a05a1e8072b018b0d035062b38966 SHA-1: 22b228c86bdf36da2e311baab33e72532e47a469 SHA-256: d2fded77f0235066adb6f7d06d903cb0acb4b834d245391b49774fc94d71ff4d
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to 'fokemale.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to the game 'Total War Rome II'. No scripts were extracted, but the presence of external URIs and the overall detection profile indicate a malicious intent to redirect users to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9970

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://fokemale.ru/strik?utm_term=total+war+rome+ii+-+emperor+edition+steamdb PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4407998/normal_6036225d69a22.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380536/normal_60337ab81b857.pdfIn PDF document text
    • https://tepupareta.weebly.com/uploads/1/3/0/8/130814680/498927.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414848/normal_6043cd850da2e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369179/normal_605797fc08ef1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446511/normal_60538ae04e5f9.pdfIn PDF document text
    • https://kenomixu.weebly.com/uploads/1/3/0/9/130969587/jebabulakose.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391001/normal_6033edf323fa2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446027/normal_5fe641773c9fa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403259/normal_5feb4a9cae315.pdfIn PDF document text
    • https://rudabukonavapuk.weebly.com/uploads/1/3/4/0/134016662/ligavabab-soxelirovubi-lasul.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/990144df-888d-41cb-8917-1c6323e110c2/19192399579.pdfIn PDF document text
    • https://s3.amazonaws.com/wunupalezozerud/63334299441.pdfIn PDF document text
    • https://s3.amazonaws.com/puretulenuza/78106005461.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/why_wont_my_xbox_one_controller_connect_wirelessly.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e20f53e2-05cc-4f49-94c7-a1fbe060ef5d/pewedalijojuvekoro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8afcac94-2f4e-4a5c-9b99-ca4b30a5dd75/82667492239.pdfIn PDF document text
    • https://s3.amazonaws.com/taguxif/what_are_the_best_positive_thinking_books.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/653b26ba-19b0-4a4b-b6ed-bf3a633fd213/hp_officejet_6500_wireless_scanner_setup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9cc4b6da-3da8-4524-a2f8-acaba43d88ad/bobalisasorozip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1f77fad-8937-4c36-ae20-e6d748bfbd1f/the_daniel_plan_cookbook_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/xopugup/mupexutefagagunodikusegi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1bfc2f8-cf89-41a0-913c-5f214795e51b/26683723823.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://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000f993.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF993 139304 bytes
SHA-256: a4de9e6092332dc57bb9c907a97dde569f26155745618348fc2d10160f76e461
font_01_sfnt_off00029525.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29525 5320 bytes
SHA-256: 96236f4939e22ad24673b0e52982fbd0f0c48657dd814347e2893fca5f9a078f
font_02_sfnt_off0002a730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A730 14460 bytes
SHA-256: e0ecc0deae03c4f8d0748db5977d240bb99d5cf9cae895103eeb718458424bba
font_03_sfnt_off0002d69d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D69D 16068 bytes
SHA-256: 12bdfdd26b42687ed6d6e4673084773943fc64d80ea302008a05158b1f99f3df

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