Malicious PDF — malware analysis report

Static analysis result for SHA-256 8075f16953db32c3…

MALICIOUS

PDF

53.6 KB Created: 2020-07-30 03:33:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 82a85e8b20702946f4d5623788ae0a32 SHA-1: c5a92addc1fe2a7a665a1fc67fccc73e709564ae SHA-256: 8075f16953db32c38cdb9abe5e1f2000d6c192f242fad3f4451929fdd35eba84
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a known malicious domain, ttraff.ru, under the guise of a Canon printer brochure. This indicates a phishing or scam attempt, likely using a spearphishing attachment vector. The ML classifier also strongly indicated maliciousness.

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.ru/pify?keyword=canon+ipf770+brochure+pdf In PDF document text
    • http://files.herrimanhighchoirs.org/uploads/1/3/1/4/131438459/satesizakepofixajo.pdfIn PDF document text
    • http://files.apple-sac.com/uploads/1/3/1/8/131871705/bafab784135.pdfIn PDF document text
    • http://files.empirejeepclub.com/uploads/1/3/0/7/130740367/wiruvigawumatebugiru.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/1/0440/2806/7990/files/280620520.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2093/5590/files/zilatusepozifipelawus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9307/1774/files/gowik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4031/7350/files/75977300296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/duzonikunevamabizewakaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3314/0127/files/84899801692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/bowojazepedesawixebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6285/2761/files/potiwolisutamanenajipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/60921965405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1935/2740/files/bozeruged.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0909/7384/files/26982729458.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_off00008b71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B71 5220 bytes
SHA-256: 5fe77144b625765f09a0742450d3edc4aca669720e42c5e23f64f1e03c7abaa2
font_01_sfnt_off00009d1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D1C 13896 bytes
SHA-256: 4b4165b78f748807d0ad7fe9a73be3200e48dc343061faeee40c82be1d0d79e4