Malicious PDF — malware analysis report

Static analysis result for SHA-256 26ab07497ee414c4…

MALICIOUS

PDF

41.2 KB Created: 2020-08-14 01:31:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f27d3fda87eb7877038d0f91cde231dc SHA-1: 7dada21b0bbc7abb6bd63074cd027314998bb0b6 SHA-256: 26ab07497ee414c477eadb9f71618e1668e3ba410cc2a745738b18365df4aaab
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm pointing to numerous external PDFs, with one link identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'upbeat and inspiring corporate music' and a URL that appears to be part of a scam lure. The presence of a malicious redirector and the advance-fee scam lure strongly suggest this document is designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.cc/pify?keyword=upbeat+and+inspiring+corporate+music In PDF document text
    • http://jupowugew.maconmedicalgroup.com/uploads/1/3/2/6/132681670/4010679.pdfIn PDF document text
    • http://kedipato.elemdesign.com/uploads/1/3/0/7/130739349/zabogefomuliwalud.pdfIn PDF document text
    • http://zinifewaw.paulgreenwoodactor.com/uploads/1/3/0/7/130739553/jiworivujeditisepe.pdfIn PDF document text
    • http://rikave.chelseamwest.com/uploads/1/3/1/3/131383377/nemirenunejepifogote.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9452/4579/files/78199884573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5798/5189/files/how_to_turn_off_screensaver_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4093/9933/files/xetomot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8250/5628/files/76287615346.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5326/1724/files/waxukelilitixozono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5406/9910/files/balanza_de_pagos_costa_rica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1208/5144/files/xedok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8466/7287/files/80238562836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3459/0888/files/33254804398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7713/1683/files/basic_life_support_provider_manual_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4207/7852/files/77041028297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wupukibasabozuxijixosi.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 2

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006109.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6109 5492 bytes
SHA-256: 2bfd5bfbef4093b0a4975e6cab32aa09d82561d174b3d50772d97ee840a928f1
font_01_sfnt_off00007387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7387 10640 bytes
SHA-256: db71f4fcb521a5e09b845f862cf059b089b90111f62928765f7e8606722306dc

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