Malicious PDF — malware analysis report

Static analysis result for SHA-256 0525058ae3aa99f5…

MALICIOUS

PDF

139.5 KB Created: 2020-11-14 00:23:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 13b3b8545d5aa6e0c09c80b34e9d8e1f SHA-1: d9da11000560349ade73d5dad36bffa9524687a7 SHA-256: 0525058ae3aa99f5192ebfc71ba2a8487b40c4995640826794fde68f18a709e4
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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://traffine.ru/strik?utm_term=manitou+telehandler+service+manual PDF link annotation
    • https://zoxetojasag.weebly.com/uploads/1/3/1/4/131437223/nadasor.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403141/normal_5f9207398b856.pdfIn PDF document text
    • https://nevitasez.weebly.com/uploads/1/3/4/3/134305442/5249011.pdfIn PDF document text
    • https://katolafafesol.weebly.com/uploads/1/3/4/4/134479470/zudojemagupu-nanelemetab-jiziwuduni.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388065/normal_5fae911f9b292.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373519/normal_5f8bc5f04f752.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/fukepez/1139762083.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c31df486-13e9-4a06-abde-8a5cd7d0d0bf/sport_head_soccer_world_cup.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/midopirawovufunimukojoba.pdfIn PDF document text
    • https://s3.amazonaws.com/dabatisew/citra_animal_crossing_new_leaf_rom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/51675fa9-9add-4914-b344-ff3a38e0a22a/athlean-x_max_size_workout_free.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001db40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1DB40 5244 bytes
SHA-256: 560e6d1820e656c9745d2d740f684acd8237fcd3e23c035171ae66cca8a4d30c
font_01_sfnt_off0001ecb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1ECB5 6168 bytes
SHA-256: da13a6dee6263b74c61e0c8a76c847f87fa9c0182709691d20e6c309d61542b6
font_02_sfnt_off0001fb9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1FB9E 10788 bytes
SHA-256: 18ea6d5987e6368eddee71eda3f2b8b22dba7915133627f2a4fbfd7655fdce7a