Malicious PDF — malware analysis report

Static analysis result for SHA-256 132753ca99918b48…

MALICIOUS

PDF

41.1 KB Created: 2020-08-25 02:48:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cb8994e584b1f57a6c351852ac4d0b93 SHA-1: a3333ca9b543b8ba843a1a5ee05bfe36d70adca5 SHA-256: 132753ca99918b48d43dc7fc18dea41c86115088cb9c68458f2337277be5c18a
194 Risk Score

Malware Insights

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

The PDF contains numerous links to redirector infrastructure, specifically identified as a malicious redirector at 'https://ttraff.ru/pify?keyword=dark+shadows+film+parents+guide'. The document body, though partially obfuscated, suggests a lure related to a film guide. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content or phishing sites.

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.ru/pify?keyword=dark+shadows+film+parents+guide In PDF document text
    • http://belajeze.caringinc.net/uploads/1/3/1/3/131398252/xefujipisogupun_kasabiv.pdfIn PDF document text
    • http://dazuzowa.downeydesignllc.com/uploads/1/3/0/7/130739415/ec6e10895628.pdfIn PDF document text
    • http://files.josephmuscatartist.com/uploads/1/3/0/7/130774962/d33ee8.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/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5053/2001/files/artifex_mundi_games_full_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5271/8494/files/angular_momentum_formula_derivation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2973/2248/files/berasifatenobuwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5799/5160/files/zigulijavotiwurugaxilivir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3970/9589/files/44056899539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4424/1562/files/accelerated_weathering_test_methods.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8039/files/vewanoguvuwojapoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9446/5948/files/6_foot_7_foot_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4622/4540/files/reproduccion_animal_aplicada.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_off00006403.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6403 5612 bytes
SHA-256: 2a31a52af8be3302b9448acb1df2454f6821191e618961052832e4a899b2306d
font_01_sfnt_off0000770d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x770D 9548 bytes
SHA-256: 197b09e8a9e9f4a859ccb4d9a6954d546132aee7314a2ebe2bb1b40c810a3473

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