Malicious PDF — malware analysis report

Static analysis result for SHA-256 860da635132d76f9…

MALICIOUS

PDF

47.2 KB Created: 2020-08-09 23:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c3b53a0b1477ed19d92a851b08b56123 SHA-1: 8daa7e5c3f80b20ea5e54ae88bec161abf980739 SHA-256: 860da635132d76f96f6ce749896957d2d79f7038b2bbb0fc6da41dc847288464
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing lure. The primary redirector URL is `https://ttraff.com/pify?keyword=the+meat+buyer+s+guide+pdf+free`, which is designed to obscure the final malicious destination. The ML classifier strongly indicated maliciousness, and the presence of multiple external links, including those to potentially malicious domains, supports a phishing or scamming attack pattern.

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=the+meat+buyer+s+guide+pdf+free In PDF document text
    • http://files.oswegoeastmusic.org/uploads/1/3/0/9/130970003/mitadexamofubut_dabisewavotozis_rivowopi.pdfIn PDF document text
    • http://kexapidim.tillylunken.com/uploads/1/3/1/6/131607163/ginos.pdfIn PDF document text
    • http://xikoxox.paulayersart.studio/uploads/1/3/1/4/131453109/xerobufeli-zisexe.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/1/0436/1804/2018/files/71276004610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5939/6254/files/42112367643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3397/7255/files/8928182753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7848/3096/files/function_of_animal_cell_organelles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2791/files/zamasalufapovobajipatuzox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7990/9030/files/kakadafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4029/1486/files/renipafutixanolefara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5511/1589/files/15808570735.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5281/7832/files/wordly_wise_3000_book_6_lesson_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7220/0605/files/xugivisawixobizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4883/6004/files/jatixokamipalufejivogiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3905/5258/files/95852212568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3521/3467/files/xugizijoxawufawodemezum.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_off00007927.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7927 5612 bytes
SHA-256: bbcea787c19b7bf08467e5cda8a6679ba0cd0d0fd73af6dcb18a5bf2f135967f
font_01_sfnt_off00008c0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C0F 10456 bytes
SHA-256: 9b94d9f2e7b3d556624054c81538edec0c426b4423af9ea22ed9448ec771b3e9

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