Malicious PDF — malware analysis report

Static analysis result for SHA-256 d43d0f17cdfa7c8d…

MALICIOUS

PDF

47.7 KB Created: 2020-08-26 22:40:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f1766d3a6f6edbc04d71b59663345a1f SHA-1: 8928df4e2034af91c9c464ce6904fa58f8883d2c SHA-256: d43d0f17cdfa7c8d474d060b89b22d118b50f5ad675143268e5354eb9f5cd9cf
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one critical heuristic identifying it as a redirector to known malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=franchise+manual+template', suggesting a lure related to a franchise manual. The presence of numerous links to Shopify domains, some with generic filenames, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.

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=franchise+manual+template In PDF document text
    • http://domeno.lincolnleapers.com/uploads/1/3/0/7/130775734/xosudifud.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/1/0430/5806/9655/files/debisofimiwukaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6903/7982/files/inform_educate_entertain.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7945/1289/files/concept_of_habitat_and_ecological_niches.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7440/5023/files/xuwegujumezofejimazexod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3846/6471/files/gakero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/linda_goodman_sun_signs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5716/8027/files/nukunawepekaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0805/6740/files/61818385251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/zedezotekazi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0935/1578/files/msc_biochemistry_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6795/7658/files/wufogediragegibotes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/6451/6757/files/solar_system_planets_facts.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
🗂 Part of campaign: lincolnleapers.com 4 samples

Related samples 1

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_off0000735a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x735A 5128 bytes
SHA-256: 5238a9cc6e3ef0b97b037454fd4ea8454c550352c80f7ba31fcfed29f1765f3d
font_01_sfnt_off00008496.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8496 14804 bytes
SHA-256: 09f058b7928befa224c542718bb8658b0c7addc3ce59a8b2b902b797b75a26dc

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