Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee82190f9504f89…

MALICIOUS

PDF

90.4 KB Created: 2021-02-25 21:23:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 7fb306f0592e9e8a48d3b6a5b05d8c3a SHA-1: cb5b1b8b230f65765f678a381766c29d625bb821 SHA-256: cee82190f9504f89c62b3571cdae4a3e5357c8d2a189e8515bb272597368a558
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, appears to be related to search terms, reinforcing the phishing lure hypothesis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/award?keyword=bohemian+rhapsody+music+sheet+piano PDF link annotation
    • https://cdn.sqhk.co/raxavetaletu/21iRLif/plane_traffic_control_game_online.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369775/normal_5ff910fb7f8fe.pdfIn PDF document text
    • https://munerojepoges.weebly.com/uploads/1/3/4/0/134042508/9535089.pdfIn PDF document text
    • https://cdn.sqhk.co/ladetozuxi/dhfhjge/what_will_big_bang_theory_cast_do_now.pdfIn PDF document text
    • https://karesaxu.weebly.com/uploads/1/3/5/3/135392924/talebivigi-xeforika.pdfIn PDF document text
    • http://reduslim-italy.site/amish_tripathi_ravana_free_downloadvw848.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365621/normal_5fd1cdb0ae0e8.pdfIn PDF document text
    • https://koreperuk.weebly.com/uploads/1/3/2/6/132680900/5300871.pdfIn PDF document text
    • http://uspehdnyaaxyz.xyz/sample_verbal_warning_templateblv3t.pdfIn PDF document text
    • http://help-feedback-amzn3.xyz/angulos_inscritos_y_centrales_ejerciciosl5h8b.pdfIn PDF document text
    • http://love-cosmetics.shop/7787254671976aqt.pdfIn PDF document text
    • https://vomodubezu.weebly.com/uploads/1/3/5/3/135398809/fakuzajom_kibajiguno_wopejefogusulun_bukusijunizew.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403141/normal_600b386379474.pdfIn PDF document text
    • http://streichpack.online/sisusepinegapubinodo6nfod.pdfIn PDF document text
    • http://esmoney.site/73004375011tygq0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401703/normal_6032c175a4ff3.pdfIn PDF document text
    • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/9788882.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
    • http://nefedelabemusu.epizy.com/lego_harry_potter_ps4_trophy_guide.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010385.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10385 5316 bytes
SHA-256: 2f533172bbf9e1939d1d888f198fe2936ad31029f5908cb9d17626ba10b72511
font_01_sfnt_off0001156a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1156A 10228 bytes
SHA-256: ff271d4a9f947f661e0f42c8e1a2c820731d99bc0e4419ceb73190db71ca0ea9
font_02_sfnt_off000138a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x138A3 16100 bytes
SHA-256: dbe3dd64dc066f428802739f18684eaf08c446fcda8cbe88d420f1ef9ee6b29b
font_03_sfnt_off00014d71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14D71 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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