Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb2de180128f98b7…

MALICIOUS

PDF

91.0 KB Created: 2021-01-27 01:50:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d3383cf5439d080ab378ff93d68f98f9 SHA-1: 11249648dd1ded7d0658802316267c629edea7de SHA-256: fb2de180128f98b750f228ff599a254ea477f9e5a29f894db818a7fdcf2806b6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The 'Amazon receipt generator' lure, combined with the critical ClamAV detection and ML flagging, indicates a phishing or malware distribution attempt. The embedded URLs likely serve as entry points for further exploitation or payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://jacksth.ru/123?utm_term=amazon+receipt+generator+v2 PDF link annotation
    • https://jowesezowu.weebly.com/uploads/1/3/4/3/134366841/dipin_genibi_vonalakokuzaj_kezalilunofeva.pdfIn PDF document text
    • https://fikadodovawewa.weebly.com/uploads/1/3/4/3/134320255/6292357.pdfIn PDF document text
    • https://xozojijeb.weebly.com/uploads/1/3/4/4/134436315/3431952.pdfIn PDF document text
    • https://nekemobo.weebly.com/uploads/1/3/5/3/135323096/wiwegorisepovepebewa.pdfIn PDF document text
    • https://zezevibowavaki.weebly.com/uploads/1/3/4/8/134854125/kilesowajabajotem.pdfIn PDF document text
    • https://cdn.sqhk.co/gesokusa/gfJja7f/boludogovapukigamunudof.pdfIn PDF document text
    • https://cdn.sqhk.co/womawuxinuge/f2jbujd/club_dream_miami_closed.pdfIn PDF document text
    • https://cdn.sqhk.co/zasokolof/hdigrjh/73117636965.pdfIn PDF document text
    • https://dakurawal.weebly.com/uploads/1/3/5/3/135321076/raxopezoxula-judajawunim-mofexaviku.pdfIn PDF document text
    • https://cdn.sqhk.co/xozirijor/Aiaihfw/dugap.pdfIn PDF document text
    • https://demujerifusa.weebly.com/uploads/1/3/1/4/131437649/sutilafibaf-zorekuvizenanuw-tejurenaxogefid.pdfIn PDF document text
    • https://tajupifode.weebly.com/uploads/1/3/1/0/131070450/sosavoxebekazux.pdfIn PDF document text
    • https://cdn.sqhk.co/vedimofaw/hcLVgiZ/glass_go_launcher_ex_theme_download.pdfIn PDF document text
    • https://divamokavagi.weebly.com/uploads/1/3/4/8/134871471/sovej.pdfIn PDF document text
    • https://zabidikigez.weebly.com/uploads/1/3/4/5/134594795/dodekomawaxi.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/gozifep/free_sheet_music_plus.pdfIn PDF document text
    • https://s3.amazonaws.com/jowutoneranemuk/sscnr_answer_key_chsl.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/fajilokotefotog.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_off0001272f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1272F 5272 bytes
SHA-256: f0f6a99787a9efc6042ae265c2c75143738d0289908c962da679ee91ecd13ec3
font_01_sfnt_off00013919.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13919 11044 bytes
SHA-256: 3b77d936c5a1dafebc7497c52756b1ea53a2937f350662609f23f42916d8fe57

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