Malicious PDF — malware analysis report

Static analysis result for SHA-256 011e30b2e2ab35eb…

MALICIOUS

PDF

85.6 KB Created: 2020-12-25 01:53:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 2c0e47c1c3618dc8ff04e6a6168c1972 SHA-1: 39d951fcf6d5bc9060ce621e912a4e2dad08ec6d SHA-256: 011e30b2e2ab35ebaa36ccd7406711010f450518daaa679c45069fe2d44e7858
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 high risk score. It contains an embedded URI pointing to a suspicious domain, traffnew.ru, which is likely used for phishing or to host malicious content. The PDF structure and embedded URLs suggest it is part of a phishing campaign, potentially using a lure related to 'Journal of managed care pharmacy author guidelines'. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://traffnew.ru/aws?utm_term=journal+of+managed+care+pharmacy+author+guidelines PDF link annotation
    • https://cdn.sqhk.co/marixefe/hiieZWu/bigimuwatebumepu.pdfIn PDF document text
    • https://cdn.sqhk.co/sijoputolu/ijagdib/kadakobexejiluvezi.pdfIn PDF document text
    • https://toxoxazagole.weebly.com/uploads/1/3/0/9/130969938/94660afe.pdfIn PDF document text
    • https://fonomirul.weebly.com/uploads/1/3/4/3/134336784/lolusoz.pdfIn PDF document text
    • https://wejuvizir.weebly.com/uploads/1/3/4/3/134395749/3011375.pdfIn PDF document text
    • https://natagudere.weebly.com/uploads/1/3/4/5/134526504/wotisunon-fiwupirarexu-pupizukalogo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/flash_player_games_after_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/xamakotopizomitiviwiki.pdfIn PDF document text
    • https://s3.amazonaws.com/labitajaxatufib/tv_guide_branson_mo.pdfIn PDF document text
    • https://s3.amazonaws.com/kalanejaxutilif/angry_birds_space_apk_mod_net.pdfIn PDF document text
    • https://s3.amazonaws.com/rufonali/rarevawejigugeme.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010232.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10232 5540 bytes
SHA-256: 49a846d5b38796b304e90040f9ff0ad60ff8f333161de44a5a49514670f41996
font_01_sfnt_off000114e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x114E0 11376 bytes
SHA-256: 458b608398e29401e819c8c89ba5e7d147cb9eace98bdd6dd40d0e507b145d04
font_02_sfnt_off00013b9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B9E 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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