Malicious PDF — malware analysis report

Static analysis result for SHA-256 aedfc63a9c19deee…

MALICIOUS

PDF

91.4 KB Created: 2021-03-12 02:56:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0060257f20a027e7dd14398a6e45c0f9 SHA-1: 7f03a2c553c4f5662f72323b84f7ef69d14922c5 SHA-256: aedfc63a9c19deee9af13f7c5067aad91ef5dc9ef3656ec392956816c83f884e
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a specific detection name indicating it is a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The PDF structure itself appears to be exploited, suggesting an attack vector common for PDF-based malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jumiwimov.ru/award?keyword=crowdsourcing+que+es+pdf
    • https://cdn-cms.f-static.net/uploads/4369915/normal_5fd0a09ceb49c.pdf
    • https://cdn-cms.f-static.net/uploads/4475194/normal_60446a32d503a.pdf
    • https://static.s123-cdn-static.com/uploads/4496374/normal_5fdd07a7aace2.pdf
    • https://cdn.sqhk.co/guzowozuk/dhbii02/vezovolurikip.pdf
    • https://cdn-cms.f-static.net/uploads/4449419/normal_6023ae0758998.pdf
    • http://busotokebos.iblogger.org/memibujivofesojevakix.pdf
    • https://cdn-cms.f-static.net/uploads/4478146/normal_600f3e1db07d1.pdf
    • https://static.s123-cdn-static.com/uploads/4470830/normal_5fdf7ab279d5b.pdf
    • https://cdn.sqhk.co/zivunegas/mBtrhai/screen_time_parental_control_app_review.pdf
    • https://cdn-cms.f-static.net/uploads/4461202/normal_600a2a66c7350.pdf
    • https://cdn-cms.f-static.net/uploads/4446395/normal_601365cc75aba.pdf
    • http://zufutefej.22web.org/ligozawelebamizowoxa.pdf
    • https://static.s123-cdn-static.com/uploads/4471275/normal_5fcaf57a12e03.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fezexebu.rf.gd/coleman_heater_date_code.pdf
    • https://uploads.strikinglycdn.com/files/a48b0d12-015c-4f17-ac85-28cfe655bea5/89218972242.pdf
    • https://uploads.strikinglycdn.com/files/22e7dde9-2a31-4858-a20a-34f918e79d76/4498066454.pdf
    • https://uploads.strikinglycdn.com/files/1a880a59-7a70-425a-9e82-88509547546a/quadrafire_mt_vernon_igniter.pdf
    • http://jowimonaperu.epizy.com/atonement_book_vs_movie.pdf
    • http://gujigaxofalolov.epizy.com/aging_report_in_sap_mm.pdf
    • http://duxurulokij.epizy.com/how_to_use_a_spa_bathtub.pdf
    • https://uploads.strikinglycdn.com/files/28a01a1c-33c7-4f01-9da7-f41e2494085f/zagukupefowimepupat.pdf
    • https://uploads.strikinglycdn.com/files/3a3ade93-c9ad-47b6-a35e-78bff2d9a143/gc_services_limited_partnership_customer_service_number.pdf
    • http://pavasokunise.epizy.com/types_of_bed_making.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012b19.bin
4384492ee413322ad919c6656340224ec797390098b80aa186c018159773e067		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12B19 5204 bytes
font_01_sfnt_off00013ceb.bin
be5c24019b992056d626235e5547fe20da6a9a3a429cf32a51c32c94eb4f7897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13CEB 10424 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.