Malicious PDF — malware analysis report

Static analysis result for SHA-256 407bede4557f5dd8…

MALICIOUS

PDF

83.2 KB Created: 2021-02-02 08:08:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 629248e94b1077a3be6fded73c4c4d33 SHA-1: 20a0bea108cb6a7f1a3fef4033c60673faa8d948 SHA-256: 407bede4557f5dd851545fa9f98ca85e53538c3dc6f1816c5487e568f43f314d
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 0.9998

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://jottigo.ru/aws?utm_term=pathfinder+bardic+masterpieces+guide PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4415964/normal_5ff49791eb77c.pdfIn PDF document text
    • https://cdn.sqhk.co/gufuluzibos/lLhaIii/stickman_destruction_3_heroes_mod_apk_android_1.pdfIn PDF document text
    • https://cdn.sqhk.co/nezerozara/ihjgEN9/xutovilasepivineba.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403415/normal_5ffc2b83c5788.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376602/normal_5fcb6b3225998.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495531/normal_5fe459fc1c5bb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403119/normal_5fd670d4ba7d6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453336/normal_5fc9eb8a9f05d.pdfIn PDF document text
    • https://cdn.sqhk.co/vasinabew/f4hfSja/idle_theme_park_tycoon_improved_island.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416299/normal_5fc930d5e9633.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405652/normal_5ff33c9b610e0.pdfIn PDF document text
    • https://cdn.sqhk.co/garoresolif/jhg4lsw/40915660780.pdfIn PDF document text
    • https://cdn.sqhk.co/zimajigon/jbjj0hi/11145655348.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/jedobufudajewu/69457529293.pdfIn PDF document text
    • http://meduzifovum.epizy.com/aashiqui_3_movie_song.pdfIn PDF document text
    • http://wolumonixor.epizy.com/warranty_claim_form.pdfIn PDF document text
    • https://s3.amazonaws.com/vufuzewasi/tivasasopiguzugilevoka.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxefemebidaz/pelesugikufijexa.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxefemebidaz/43515139424.pdfIn PDF document text
    • https://s3.amazonaws.com/zatazewoz/bleacher_report_top_50_basketball_player.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_off0000fa30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA30 5448 bytes
SHA-256: e479a5d7b0cb238af25502be5366dbb437560bb97e8607e19f1f5fddbaaad898
font_01_sfnt_off00010c7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C7A 10716 bytes
SHA-256: 07a2649539c6e65ed0db8f8ec595bbaa368a4fc33a892af6881e76c9dda19460
font_02_sfnt_off0001310b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1310B 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3