Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e0cfa5427e68690…

MALICIOUS

PDF

42.4 KB Created: 2020-08-22 17:59:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9542f2535c8d17c63a3a0e16f7f2c684 SHA-1: f88cd806fb57f9e77c2391e4351e98d000c80af8 SHA-256: 9e0cfa5427e68690fff90fb2e0e68a3aa70c09ab02cf6ff295f03f9588a7037b
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic indicating it links to a known malicious redirector, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and a related benign-looking Shopify URL, suggesting a lure. The presence of a PDF link farm heuristic further supports the malicious intent of directing users to external, potentially harmful, content.

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.com/pify?keyword=kitchenaid+cookie+sheet+slider In PDF document text
    • http://files.fieldmarshalmontgomery.com/uploads/1/3/1/3/131383512/1db64c8d.pdfIn PDF document text
    • http://wikifi.ucmun.com/uploads/1/3/1/4/131438477/rumasotu.pdfIn PDF document text
    • http://files.manalgarciafitness.com/uploads/1/3/0/9/130969139/05dc13c35e5a.pdfIn PDF document text
    • http://zulew.ujamaachildren.com/uploads/1/3/1/4/131409167/jomuj.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/1/0434/5312/0669/files/52967227288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1470/1735/files/46423064994.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1637/9816/files/83794761998.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3081/4626/files/clasificacion_de_los_bienes_y_servicios_economicos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/ib_biology_course_book_2014_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/julamisesezorukale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4489/6925/files/91202225735.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1859/9075/files/pafenozelusix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7248/6566/files/typeracer_auto_typer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8208/7576/files/algoritmo_de_dijkstra_ejercicios.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2847/2220/files/57992417663.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 6

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_off00006826.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6826 5060 bytes
SHA-256: b1329b764fd552ce13af788da21a30d91e9574a4825bab2d917e38a8a75eccad
font_01_sfnt_off00007941.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7941 10420 bytes
SHA-256: 67014d419ca6c6b7f4fca7dc1c28fa0cd63dcc654f9cafafb00d5e3268d1c5e2

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