Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da1dc0f3695e51b…

MALICIOUS

PDF

40.8 KB Created: 2020-08-06 09:49:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a32a0198acccc74f444fe1d8eee96c76 SHA-1: 84b22afbc0f1c0617e3422eb301d19f13dacec5f SHA-256: 7da1dc0f3695e51beeaa5f59f2dc44ec012a24b5652336e7c6d3fd3d9fe32337
194 Risk Score

Malware Insights

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

The PDF file contains numerous links, including one to a redirector at 'https://ttraff.com/pify?keyword=collateral+management+guide+pdf', which is indicative of a phishing or content-luring scheme. The presence of multiple links to other PDFs suggests an attempt to distribute or link to a larger collection of documents, potentially for SEO manipulation or to host malicious content. 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=collateral+management+guide+pdf In PDF document text
    • http://files.flipflopfantasy.ca/uploads/1/3/1/3/131380342/6800550.pdfIn PDF document text
    • http://files.cutiedokicakes.com/uploads/1/3/0/9/130969562/7082685e666001f.pdfIn PDF document text
    • http://files.nickhupton.com/uploads/1/3/0/7/130739470/7e0cfd4eb1.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/1/0433/7867/1783/files/presentation_skills_body_language.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3331/3958/files/4238489772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3320/6689/files/63310150221.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2758/6472/files/21783216454.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7742/files/molecular_biology_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1615/9385/files/60101091539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7046/3912/files/tukar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4960/7590/files/73374685995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4818/0634/files/gubeguwivubilolijilag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9208/9759/files/liridule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1038/1208/files/car_insurance_certificate.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_off0000625f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625F 5088 bytes
SHA-256: bbea88494f7ef74ca998423fdf97250c0cb53ee7f676ed48369921b723086f1b
font_01_sfnt_off00007397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7397 10308 bytes
SHA-256: 383fb561e7c6b8b59aaaf8b405dc9648264bc636bcc1ae4e1f74109827e4d9b3

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