Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9a1325bf5a909c7…

MALICIOUS

PDF

50.2 KB Created: 2020-07-30 03:11:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 676690ca25c87598fedf9f4c14691a7d SHA-1: 0d416c75636545c2a76e3d9c6872289cb71f6ad1 SHA-256: e9a1325bf5a909c7c942c8a2a686a861e196c2fe883eab8e15a0181b130c627d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=cadena+de+valor+de+una+empresa+industrial+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with 'https://cdn.shopify.com/s/files/1/0431/0745/1041/files/2605026615.pdf' being a prominent example. The document body, though heavily obfuscated, suggests a lure related to 'Cadena de valor de una empresa industrial pdf'. The combination of these factors indicates a phishing attempt designed to redirect users to 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.com/pify?keyword=cadena+de+valor+de+una+empresa+industrial+pdf In PDF document text
    • http://files.tonystockmansart.com/uploads/1/3/0/7/130775282/molujutufavuf-lamoj.pdfIn PDF document text
    • http://files.michellefairley77.com/uploads/1/3/0/8/130873979/narop_vumuxilefino_vekug.pdfIn PDF document text
    • http://files.thewaitingroomlostandfound.org/uploads/1/3/2/7/132712282/gapibolare.pdfIn PDF document text
    • http://actualidadempresa.com/cadena-de-valor-y-sus-aplicaciones/In 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/1/0431/0745/1041/files/2605026615.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0879/4525/files/sigufowiduwodika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3828/5734/files/61052249331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4367/5560/files/maduwudurozapesijugutim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/weroxibakafogupuzati.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3179/6632/files/57422296107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9117/3278/files/42975619957.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8015/5290/files/33064475244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5429/3402/files/63436986644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9464/6689/files/80924485823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5246/4293/files/98902945624.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1122/7300/files/69494549568.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_off000085eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85EB 5152 bytes
SHA-256: a4e70dc77fe52afedfd563f0214d9b2ca63433044794a470cf21caa70979495a
font_01_sfnt_off00009760.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9760 10376 bytes
SHA-256: 2c689a6e4d1bf47ffbb8625b5363a018e6bb719c6e4e877c5976310249e1a71e