Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee5137b1f58d0f9…

MALICIOUS

PDF

44.4 KB Created: 2020-08-06 14:56:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ecc3949d78b3f2518d542b8337d1c2d0 SHA-1: ed6e38e8bd34c78f4ff0ae2c875df4ac6820f8f2 SHA-256: 3ee5137b1f58d0f93b2492bc2952c69d43c563a5c063df7f9b6ed743f84b42d1
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector service (ttraff.com). This suggests the document is designed to lure users to malicious sites, likely for phishing or malware delivery. The ML classifier strongly supports the malicious nature of this PDF.

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=burrows+and+badgers+pdf In PDF document text
    • http://files.mrdaviseng.com/uploads/1/3/2/6/132680926/8833029.pdfIn PDF document text
    • http://files.terristrailblazers.net/uploads/1/3/2/8/132814241/lavip-wuvabetod-lajun-ruwemaka.pdfIn PDF document text
    • http://files.catholicinspired.site/uploads/1/3/1/4/131437862/366f3.pdfIn PDF document text
    • http://files.monkeysbnb.com/uploads/1/3/2/3/132302736/libaxibe_bapajevotut_fiwenapijisoru.pdfIn PDF document text
    • http://files.scorpionsfc.org/uploads/1/3/2/6/132682790/91ac21f995ab6.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/1/0431/5283/4711/files/burrhus_frederic_skinner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0675/3948/files/85987662225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0482/9589/files/jiwajibekaluxisakobalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8439/9270/files/prentice_hall_biology_textbook_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/drow_subrace_5e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4874/6651/files/lanric_cable_tray_catalogue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3201/0152/files/bimudafeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4855/1068/files/durezuxufadilawenofofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9434/3829/files/rufusanatonibik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8957/6607/files/lododa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9479/3630/files/99464550903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2112/2211/files/61067241386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9284441163.pdf?v=1594212706In 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_off00006f8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F8A 5456 bytes
SHA-256: c9d5fcc6fc19847eee7283491a30ffbf6e8512274b31d036447fdde3b3a9a24c
font_01_sfnt_off00008239.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8239 10220 bytes
SHA-256: fee7442524051da0f5f1faf5b8a98ec586c1febd63120b7ead91e9e40507c872

Open this report in the interactive analyzer, or submit your own file for analysis.