Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d3a6f1dad3da099…

MALICIOUS

PDF

71.3 KB Created: 2020-12-11 07:14:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: b4657b02dfa0363063c303a4cf104418 SHA-1: 9b44ed3b298b68808cfb2d25c7daf85053352015 SHA-256: 9d3a6f1dad3da0990ffea5c871fe26502ccc97d56b6b797985e003d0cd3ad7d0
156 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to benign content, but one specific URL, 'https://traffset.ru/aws?utm_term=timesheet+calculator+with+lunch+miraclesalad', is flagged as unknown and is likely part of a link farm or phishing attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://traffset.ru/aws?utm_term=timesheet+calculator+with+lunch+miraclesalad PDF link annotation
    • https://mabulibatelirip.weebly.com/uploads/1/3/4/5/134597637/vewesinijemogi.pdfIn PDF document text
    • https://sazigusejif.weebly.com/uploads/1/3/4/7/134771803/reropedonevup.pdfIn PDF document text
    • https://rizidapovo.weebly.com/uploads/1/3/4/3/134316848/kiregeko_lolenexonom_kobefasa.pdfIn PDF document text
    • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/jesozitufas_bareradikakap_zopan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382778/normal_5f94820b3c09e.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/jixerubowi/jurassic_park_raptor_vs_t_rex.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfa3fdae50a0145870b03/1606220352426/russo_brothers_thanos_demands_your_silence.pdfIn PDF document text
    • https://s3.amazonaws.com/setikizo/tekken_7_yoshimitsu_guide_ps4.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/61982318525.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxime/jeevan_mrityu_full_movie_free.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc58624bd14ff0dd2bbf2b9/t/5fccbd3d978da30c56fa9480/1607253310003/wings_retro_13.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/87696751566.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcee2c3ca23154c959f80f/1606217262054/android_sdk_book.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_off0000cdb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDB0 5104 bytes
SHA-256: b49464a68cd5f383a17e7afb5eaba5c4348c87abacf31dcefe1e3a2c2d280545
font_01_sfnt_off0000dee4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEE4 10280 bytes
SHA-256: f9b583c461281ea4cec363162dc03f77ab5425ec9068c0b18e9d92fb719abf2d
font_02_sfnt_off000101e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101E9 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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