Malicious PDF — malware analysis report

Static analysis result for SHA-256 54f466eaf34195a0…

MALICIOUS

PDF

74.7 KB Created: 2021-01-24 05:47:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a3f00db092f4533ffc3402d230e557ca SHA-1: e0b6e875c1dd7eb2b84b7afda3a958a4449c4acd SHA-256: 54f466eaf34195a0550860dff1c45ac3b8a6d52652d7721e0b39e598e61c0090
126 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body contains a deceptive lure related to 'Toshiba bluetooth stack bluetooth not ready', and embedded URLs point to suspicious domains such as traffnew.ru and xazivigufimu.22web.org, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of external URIs and the overall heuristic firings strongly suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://traffnew.ru/123?utm_term=toshiba+bluetooth+stack+bluetooth+not+ready PDF link annotation
    • http://xazivigufimu.22web.org/gizaradomupuwore.pdfIn PDF document text
    • http://gugaroro.iblogger.org/92429791409.pdfIn PDF document text
    • https://cdn.sqhk.co/wepurodapike/hhMif8o/character_generator_pathfinder_free.pdfIn PDF document text
    • https://cdn.sqhk.co/filemowa/388MqLR/27015994808.pdfIn PDF document text
    • https://cdn.sqhk.co/lupobikud/jfkicEB/99108531757.pdfIn PDF document text
    • https://bojowavezuzabi.weebly.com/uploads/1/3/1/3/131382797/617299.pdfIn PDF document text
    • http://mozovurezet.iblogger.org/difficult_passive_voice_exercises_with_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/zofizitene/ij7igih/mini_battle_royale_io_unblocked.pdfIn PDF document text
    • https://vunojomilubokub.weebly.com/uploads/1/3/0/7/130775688/0ddc87897d44.pdfIn PDF document text
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/mowulipopedikawolipo.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/tibanepoxilibud/st_augustine_fl_weather_report.pdfIn PDF document text
    • http://kakapefetabol.rf.gd/zodaxevalinekajorinem.pdfIn PDF document text
    • http://jasigobup.epizy.com/92816644492.pdfIn PDF document text
    • https://s3.amazonaws.com/wizakokowe/printable_logic_puzzles_with_answer_key.pdfIn PDF document text
    • http://jidowadosul.epizy.com/6137152847.pdfIn PDF document text
    • http://loxosufodu.epizy.com/consumer_reports_worst_auto_brands.pdfIn PDF document text
    • https://s3.amazonaws.com/gajakelegeza/derod.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d86e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD86E 5164 bytes
SHA-256: 363007f26c8a4621e353310c5596485bdf389c5793622b3e3bcbcb96d66b49b8
font_01_sfnt_off0000e9ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9ED 11076 bytes
SHA-256: 9bb7bd01a953e7aed1f7ccbaad8492fb222e6469db376c5944188003d10c46b6
font_02_sfnt_off00010f99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F99 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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