Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6f3f8cd11ae10b8…

MALICIOUS

PDF

38.9 KB Created: 2020-08-08 16:16:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 366907e7f436bfe98bc66511e171bef4 SHA-1: 1eb7bb3188f96f81415b34b18981f80cf14e432a SHA-256: a6f3f8cd11ae10b81ca8ccb3182b43b75c6e6cb886fe8e8f8e102a6836be5fff
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, masquerading as a manual for a Canon scanner, to a redirector URL. The primary malicious link is https://ttraff.cc/pify?keyword=canon+lide+25+manual+pdf, which is designed to lead users to further malicious content. The ML classifier strongly supports the malicious nature of this document.

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=canon+lide+25+manual+pdf In PDF document text
    • http://files.kansascoringandcutting.com/uploads/1/3/1/4/131406676/6b42a753512461.pdfIn PDF document text
    • http://files.edenfarms.net/uploads/1/3/0/7/130739535/dezamipuzidipajatad.pdfIn PDF document text
    • http://files.synergyincreation.com/uploads/1/3/1/4/131406676/5026420.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/1/0437/7106/8577/files/komuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3687/6695/files/95623705642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9284/3432/files/catching_fire_movie_script.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8049/6792/files/lotikur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5726/4280/files/nanije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9007/6057/files/kenmore_refrigerator_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2100/9053/files/jagozuguveminurosozoli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5592/3878/files/convert_ai_to_jpg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6507/4086/files/88503226706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zenafepejeviwasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4275/9071/files/13743733848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9457/3205/files/bizawomuresaxepafejomawa.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 8

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_off000059d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59D2 5072 bytes
SHA-256: d50ebab0bcba771bc646cc2f2e4ea648f947d74355720836adc2433533b095ce
font_01_sfnt_off00006b0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B0C 10384 bytes
SHA-256: b2b8e2951f5b720aa04b1e355581dbe14e664c522023c85f82f7ea9bdf1145e7

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