Malicious PDF — malware analysis report

Static analysis result for SHA-256 71fb5b463f04fff5…

MALICIOUS

PDF

71.1 KB Created: 2021-03-21 04:26:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65b63b611baab58944abaec9f77678e8 SHA-1: 7e1574523e4ee0102bb587c10c4e032d552591b5 SHA-256: 71fb5b463f04fff5d251894b7dc91cc483e77eedb494dfb0c4bbb28c2f192cc7
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'soxebez.ru', which is likely a phishing or malware distribution domain. The document body, though heavily obfuscated, suggests a lure related to an 'Eve online covert cyno guide', aiming to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://soxebez.ru/wix?keyword=eve+online+covert+cyno+guide
    • https://lodavoxi.weebly.com/uploads/1/3/4/5/134505118/1375887.pdf
    • https://mamafaxugelat.weebly.com/uploads/1/3/0/8/130813750/fidit.pdf
    • https://cdn-cms.f-static.net/uploads/4385631/normal_5fd7ceeb8a628.pdf
    • http://xogunajeraxuda.mywebcommunity.org/suvanuvilobikiruwubimop.pdf
    • https://guditeni.weebly.com/uploads/1/3/4/5/134529862/pedumijoviwapo.pdf
    • https://cdn-cms.f-static.net/uploads/4393361/normal_6056780f3627a.pdf
    • https://static.s123-cdn-static.com/uploads/4424349/normal_5ff4a1afd7cf9.pdf
    • https://retariluwefise.weebly.com/uploads/1/3/4/8/134858211/5895264.pdf
    • http://mamefumiwuto.mywebcommunity.org/34066178737.pdf
    • http://sutarakikim.scienceontheweb.net/honeywell_xenon_1900_driver.pdf
    • https://rutedidatares.weebly.com/uploads/1/3/4/4/134490949/eb58480074db3.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/lawakux/poximadikopila.pdf
    • http://vafitinupisojud.onlinewebshop.net/algebra_worksheets_for_grade_7.pdf
    • https://uploads.strikinglycdn.com/files/1f357df1-6082-4834-9c41-7c40b60420a6/how_to_turn_off_aprilaire_thermostat.pdf
    • https://uploads.strikinglycdn.com/files/fff06b23-a687-4529-b2b7-7a5511b054dc/star_trek_discovery_season_1_episode_7_cast.pdf
    • https://uploads.strikinglycdn.com/files/d921397d-3813-4479-8f1a-6e0644ebfe3a/abu_garcia_black_max_reel_review.pdf
    • https://s3.amazonaws.com/petikamov/how_to_practice_sudarshan_kriya_yoga_breathing_technique.pdf
    • https://s3.amazonaws.com/lodazojamuva/learn_basic_linux_commands_ubuntu.pdf
    • https://uploads.strikinglycdn.com/files/5daad60c-f931-4c55-976b-4090d93cc415/what_size_brisket_for_smoking.pdf
    • https://uploads.strikinglycdn.com/files/86e1c9ef-677e-45a1-a032-fccd8b19ec42/bukupil.pdf
    • http://dipagepe.atwebpages.com/acanthospermum_hispidum.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_off0000d749.bin
97bfbc959e5a6f478c39372f6261a9591cd2c4e75914b07fb2323243fbc0af4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD749 4836 bytes
font_01_sfnt_off0000e7e0.bin
fb0fd0f00b24a1c20237d9a27cb4046fda6f5e12884534219dd2d86a26f204a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE7E0 10960 bytes

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