Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d10de8144ac042d…

MALICIOUS

PDF

54.1 KB Created: 2020-08-18 16:48:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9369261d52f4e7e798cfdf890232ab92 SHA-1: cc133db3c5d41bcabca4e420463d99a55b1ecac2 SHA-256: 4d10de8144ac042de409e9254ac6376dc4173a5b23078c6b07726e88cd335256
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The primary malicious URL is 'https://ttraff.com/pify?keyword=house+drawing+software+free', which is likely intended to redirect the user to a malicious 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.com/pify?keyword=house+drawing+software+free In PDF document text
    • http://sunazevud.victimwitness.org/uploads/1/3/1/8/131856772/gotirojob_savadosi_radeso_kowob.pdfIn PDF document text
    • http://files.3riversmuseum.com/uploads/1/3/1/3/131383791/ff4afd397.pdfIn PDF document text
    • http://files.tomr.eu/uploads/1/3/2/6/132695755/jusigisilak.pdfIn PDF document text
    • http://pixivarej.jackiedennison.com/uploads/1/3/0/9/130969300/09bba4cd1.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/1/0437/5032/6421/files/arquitetura_bioclimatica_tropical.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0833/3736/files/correct_answer_to_a_puzzle_crossword_clue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5689/3847/files/ds2_sunlight_medal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2217/0787/files/29736598368.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/nuwasuguxitudaletonuruko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6803/0102/files/tafsir_sourate_al_mulk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9649/6544/files/brazilian_portuguese_course.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0103/6443/files/psy_gentleman_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/understanding_and_using_english_grammar_4th_edition_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5117/1478/files/5988078928.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 7

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_off000096b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96B8 5096 bytes
SHA-256: 740a5436d5c8d44688c46f593ae176a92f9917ed19f4e2633033c419b0ade85f
font_01_sfnt_off0000a82c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA82C 10352 bytes
SHA-256: 1751cb3b76b85670ae96fbfb5bf19aadee5ac9e0bb8683276597da1fcba939cb

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