Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0486bccce9594c9…

MALICIOUS

PDF

62.7 KB Created: 2020-08-07 23:07:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f7ad4dd176ed55e14c6a0df94b413302 SHA-1: cf529d93992771dc6c33031a24423db2b7dd1475 SHA-256: f0486bccce9594c9aa27253d21f099646bf288b2254bb9751641a005c3b22308
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.cc. The document body, though heavily obfuscated, contains the same URL. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is likely intended to lead the user to a phishing or malware distribution site.

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=barriers+to+communication+in+educational+management+pdf In PDF document text
    • http://files.evolverealty.ca/uploads/1/3/1/8/131857305/jipugibururux-gugusodeb.pdfIn PDF document text
    • http://files.michellemcdanielportfolio.com/uploads/1/3/1/4/131410479/gevegepapanedex.pdfIn PDF document text
    • http://files.entranceexams.greatwebsitebuilder.com/uploads/1/3/0/7/130775108/sutuvejenabo.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/1/0437/5071/9642/files/42229843006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1279/2221/files/watch_mission_impossible_ghost_protocol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8946/8328/files/passive_causative_exercises_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4277/4938/files/tuninavomogerokusu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4798/5053/files/sumiwubusado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4763/3575/files/valapilogerutemodikanuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2520/2325/files/air_cooled_scroll_chiller.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4553/5400/files/25735025823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7473/1685/files/xubemipoxusuvef.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_off0000b7d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB7D4 5524 bytes
SHA-256: 722d106b41b068e843008565942a9ae753be649a631d68b0869370ba63466a36
font_01_sfnt_off0000ca8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA8E 10348 bytes
SHA-256: b3db094609e5cd68770eb4b10c73fbcd5f18c10ddff1970959f624dc3588c031

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