Malicious PDF — malware analysis report

Static analysis result for SHA-256 50c661c8f05ba56d…

MALICIOUS

PDF

87.5 KB Created: 2021-06-01 17:30:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1a0094545ad3b9bfc50a60be23a56fb SHA-1: d6c35df891c7e811db370df349a6a7818fb0d4b0 SHA-256: 50c661c8f05ba56d5ef8792b66ca9c501dd8b309f9e67b1ced33afff2a5168a3
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'garglob.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a resume lure, aligning with spearphishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://garglob.ru/pbw?utm_term=eldorado+laurent+gaud%25C3%25A9+r%25C3%25A9sum%25C3%25A9+d%25C3%25A9taill%25C3%25A9
    • https://rabavuvorek.weebly.com/uploads/1/3/1/0/131070866/d58a59221cbc178.pdf
    • https://tebobasuzojipol.weebly.com/uploads/1/3/1/4/131407082/e91368dc48761.pdf
    • https://static.s123-cdn-static.com/uploads/4479678/normal_5ff95fd9d24f5.pdf
    • https://static.s123-cdn-static.com/uploads/4449192/normal_5ffba5b90cb2d.pdf
    • https://lotozuxefad.weebly.com/uploads/1/3/4/3/134316708/rakaru.pdf
    • https://jozudepixivi.weebly.com/uploads/1/3/4/6/134682498/52e810ca.pdf
    • https://menajogatidufe.weebly.com/uploads/1/3/0/7/130740573/ab4500d7d.pdf
    • https://fenipedixov.weebly.com/uploads/1/3/5/3/135385823/8364708.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/ae4c7f55-a5d5-48d0-8798-8bcfdcea8968/fuvabevizukozolawoban.pdf
    • http://zabodovojif.pbworks.com/w/file/fetch/144427113/how_to_stop_apple_music_from_automatically_playing_android.pdf
    • https://uploads.strikinglycdn.com/files/d275e569-290e-41f6-b232-84b3d6211939/debufanuxe.pdf
    • https://uploads.strikinglycdn.com/files/c85fd58a-dbd9-4ea4-ba57-57b2b0edda9e/jamapuxejupelatinerugomuw.pdf
    • https://uploads.strikinglycdn.com/files/a9d7a5ed-4836-4918-a329-5dcb42912434/grammar_worksheet_possessive_adjectives.pdf
    • https://uploads.strikinglycdn.com/files/35e1576e-1063-4b36-8193-565abd4125f6/68508622050.pdf
    • https://uploads.strikinglycdn.com/files/95c7ca9e-8c31-4cb9-a2df-ef3599d41ce6/71634616305.pdf
    • https://uploads.strikinglycdn.com/files/c1ad0f52-c8ff-4c27-9f97-ab076a8ea0dd/romaine_lettuce_nutrition_per_cup.pdf
    • http://tagexoba.pbworks.com/w/file/fetch/144421464/romeo_and_juliet_act_4_scene_1_study_guide_answers.pdf
    • http://pojaweku.pbworks.com/w/file/fetch/144463686/69757856618.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010094.bin
7f090e48cbba9309d974f5a837ec50452f9c39f509d2ccced24c83c02126b154		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10094 5244 bytes
font_01_sfnt_off00011211.bin
18cf8a998d125223a3a888bbc19f6640d857d2de402243aab62d771490661183		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11211 12212 bytes
font_02_sfnt_off000138b0.bin
d64af38cc5e9da1b693ac8e4f1775a11b2a48baf94a2a8f72ca3283036f9ea4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x138B0 16232 bytes

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