Malicious PDF — malware analysis report

Static analysis result for SHA-256 0619407354b8a13c…

MALICIOUS

PDF

76.3 KB Created: 2021-02-26 02:07:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 193b81e04151de0ae5f7e0e267854133 SHA-1: 868c6bbb86a379c3b12124b8f34e9d23c375d5d2 SHA-256: 0619407354b8a13c4f0ae9b90631f8d2bc535130d2ec7990b5171f613b2df328
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body is heavily obfuscated, but the presence of external URIs suggests an attempt to lure the user to a malicious resource.

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://bologen.ru/strik?utm_term=what+are+some+of+the+sins+in+the+bible PDF link annotation
    • https://cdn.sqhk.co/fapolokid/3gdgxha/ant_or_bee_collective_crossword.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzefegevo/2jbjcc7/gigola.pdfIn PDF document text
    • https://cdn.sqhk.co/mibemofega/igYieL8/juviba.pdfIn PDF document text
    • https://cdn.sqhk.co/gaxozamikoge/DVgcWji/pet_shop_toys_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/juvowisire/jbShagi/40528615341.pdfIn PDF document text
    • https://cdn.sqhk.co/zijikunu/dXiia5k/21522704539.pdfIn PDF document text
    • http://gasorutika.iblogger.org/nice_guidelines_bariatric_surgery_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/lomasamube/iTiivK2/dc_united_new_york_city_fc_sofascore.pdfIn PDF document text
    • https://cdn.sqhk.co/miwavilusaji/QuFjdAp/laser_quest_montreal_hours.pdfIn PDF document text
    • https://cdn.sqhk.co/libuzewis/iaFbggy/final_fantasy_14_subscription_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/miropefaneka/vthc7q4/lifetime_movie_club_amazon.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/leributafa/20356972892.pdfIn PDF document text
    • https://s3.amazonaws.com/xeropizuwe/cross-_platform_meaning_in_telugu.pdfIn PDF document text
    • https://s3.amazonaws.com/kefiperizonofu/fimijawik.pdfIn PDF document text
    • http://ladobuvop.epizy.com/37168135412.pdfIn PDF document text
    • https://s3.amazonaws.com/xufaxoferugod/66403594203.pdfIn PDF document text
    • https://s3.amazonaws.com/vaxebisapesi/wezisegozupoxig.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/n_t_a_full_form.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000edce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDCE 5160 bytes
SHA-256: 34f38f8bea26886504dfd2f76f7b94d7e8e356a401e04b83c8c5ca5241efa1bb
font_01_sfnt_off0000ff3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF3F 10660 bytes
SHA-256: 49931b04983d9c9c9385e0d963d3a07746e9bfd299b1a08137b45c0c0f15b48c

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