Malicious PDF — malware analysis report

Static analysis result for SHA-256 044561288053e3bb…

MALICIOUS

PDF

82.5 KB Created: 2021-03-17 18:57:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 30e76f6151c322c6e62b0f8e63ed4b9b SHA-1: 4b2c556ec0d47bf7f512acdbdc350c1e954b2374 SHA-256: 044561288053e3bb5386e36d2f7a86a0f5685d40bfe66d9cd355a3a3482b83d8
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. The document body, though heavily obfuscated, contains keywords like 'Graffiti names list' and 'wkhtmltopdf', which are used as lures to direct users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jumiwimov.ru/wix?keyword=graffiti+names+list PDF link annotation
    • http://fesalasan.mygamesonline.org/beats_solo_pro_wireless_noise_cancelling_on-ear_headphones_choose_color.pdfIn PDF document text
    • http://ziwusis.getenjoyment.net/denervation_hypersensitivity_meaning.pdfIn PDF document text
    • https://cdn.sqhk.co/zimalodepafo/e3ggN4v/this_means_war_full_movie_free_download_480p.pdfIn PDF document text
    • http://jarewitof.mypressonline.com/16194398832.pdfIn PDF document text
    • http://raisinshq.pro/306607529075mdy8.pdfIn PDF document text
    • http://gajonedorebuko.mywebcommunity.org/zomapexi.pdfIn PDF document text
    • https://cdn.sqhk.co/nebafaveju/ihhijec/23092486435.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzefegevo/QgKjhh9/75411583934.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498868/normal_5ff388a63ba02.pdfIn PDF document text
    • http://uscreditinquiry.info/minecraft_games_free_for_ipad9p6xu.pdfIn PDF document text
    • http://ladyso.ru/88350715727whnjz.pdfIn PDF document text
    • https://cdn.sqhk.co/jedelamodafa/516yghh/sujofuje.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462694/normal_603258811cfe7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471686/normal_602edf34aa8ee.pdfIn PDF document text
    • http://mozobadijoba.medianewsonline.com/best_air_conditioner_remote_control_app.pdfIn PDF document text
    • https://cdn.sqhk.co/pabopimi/i3gdUYm/2473026082.pdfIn PDF document text
    • https://cdn.sqhk.co/xafogatok/ffjfs0L/space_race_tv_show_2020.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471106/normal_6022eb040c738.pdfIn PDF document text
    • http://rexevivejegox.scienceontheweb.net/zerumubejoku.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://padegijogul.atwebpages.com/organic_broiler_production.pdfIn PDF document text
    • http://bototiluwoge.atwebpages.com/xojevevadumizagi.pdfIn PDF document text
    • http://wufikemofumop.atwebpages.com/jajuwubutunifarufinirulif.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_off0000fa21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA21 4620 bytes
SHA-256: 8fd12316e701a0ddd4eb44f33aaee833f89bda4dc2eacac531a78f27ebb9b3ed
font_01_sfnt_off000109ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109AD 10788 bytes
SHA-256: 53983994cd88381c373c6caf431d99cef0a03092cba4df1a2c3dd7b997e58334
font_02_sfnt_off00012e56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E56 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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