Malicious PDF — malware analysis report

Static analysis result for SHA-256 b744c6d6192a9c48…

MALICIOUS

PDF

73.1 KB Created: 2021-02-28 02:36:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: c5a7b71d7c429195c3b7cda726085419 SHA-1: 78ae3341a980262b221954451c2d7d8fe01eb55e SHA-256: b744c6d6192a9c48e81f794515514c518af499bc6daf4974ad47c32a93ea3cc1
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wix?keyword=weed+eater+bv1650+repair+manual PDF link annotation
    • https://pagejenaxupiwig.weebly.com/uploads/1/3/4/3/134383440/3857884.pdfIn PDF document text
    • https://cdn.sqhk.co/lomasamube/gLjdsR5/1281156272.pdfIn PDF document text
    • http://redpandarecycling.com/146931903471p4jc.pdfIn PDF document text
    • https://cdn.sqhk.co/lazujanaziri/fmhcAic/sodosarebo.pdfIn PDF document text
    • https://cdn.sqhk.co/luwokiseg/dmhflg6/47550766928.pdfIn PDF document text
    • http://sewulege.22web.org/kifumilosenuveziva.pdfIn PDF document text
    • http://detonic-ordina.website/ridizozagigv9jor.pdfIn PDF document text
    • https://motefeka.weebly.com/uploads/1/3/4/1/134108707/gazirititovuxuz_jigojos_xezasabuj.pdfIn PDF document text
    • https://cdn.sqhk.co/vowibesep/CFhhKTL/71357576953.pdfIn PDF document text
    • https://wurilulisewanid.weebly.com/uploads/1/3/4/7/134728532/3514466.pdfIn PDF document text
    • http://topfrag.rip/kick_the_buddy_forever_game_downloadko2n3.pdfIn PDF document text
    • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/2676257.pdfIn PDF document text
    • http://mexicotop3.xyz/fce_collocations_exercises8o8mu.pdfIn PDF document text
    • http://guwejino.iblogger.org/17905814952.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/mexesazaxasa/eset_antivirus_for_laptop_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/75151250329.pdfIn PDF document text
    • http://faxiruvud.myartsonline.com/mosivigipesofutaxajudela.pdfIn PDF document text
    • https://s3.amazonaws.com/zifilobesumafi/house_rental_contract_template_free.pdfIn PDF document text
    • http://jisijuvod.myartsonline.com/ximijupuzezivogovo.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/attack_on_titan_season_4_manga_volume_1.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_off0000e112.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE112 5612 bytes
SHA-256: bc845759ad6e893c0d51f9aab4e6c88792ffd4bce18d26e3f2be3c438e5452e0
font_01_sfnt_off0000f427.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF427 10316 bytes
SHA-256: e99b158566282f3997850d615e678c504438ded2e052bfd7b0c0a828df55582f