Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eb88d36a281ccc6…

MALICIOUS

PDF

45.2 KB Created: 2020-08-02 08:48:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 67f3cd1bc77a59de3ee9b1aade474755 SHA-1: 725ed344f98886b6fb3a1baa87a9a337e9511443 SHA-256: 9eb88d36a281ccc66d7169a50a324870a0c43962feb6c35c8f522ddfa77f6ee3
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=ffmpeg+convert+mkv+to+mov'. The document body, though heavily obfuscated, also contains this URL and numerous other links, suggesting a link farm or redirection tactic. The presence of many Shopify-hosted PDF files, some marked as benign and others unknown, indicates a common pattern for hosting malicious content.

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=ffmpeg+convert+mkv+to+mov In PDF document text
    • http://files.shackboldon.com/uploads/1/3/0/9/130969497/didelalizijejebo.pdfIn PDF document text
    • http://files.broadband4arizona.com/uploads/1/3/2/6/132695525/wivar-fozurivuzaj-sovizax-vovobabenavuz.pdfIn PDF document text
    • http://files.nataliedownes.com/uploads/1/3/1/8/131856435/4768287.pdfIn PDF document text
    • http://files.rootedaltarministries.org/uploads/1/3/1/4/131438453/9505102.pdfIn PDF document text
    • http://files.greenbelthumanesociety.org/uploads/1/3/0/7/130776393/zaxerira.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/1/0428/4098/1670/files/tamagusuginumimesuvafuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3631/9639/files/72514898453.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2454/5949/files/15918850002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1087/5815/files/nufuwunafiriletogabexan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1171/8820/files/45803517887.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7650/1147/files/fadajopowulevosopisutup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0724/4450/files/47141207480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/rajof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/topumilafapudifotapos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6246/0577/files/41181286654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6150/0309/files/vagereziw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6440/0798/files/taxujad.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_off00006ef6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF6 4996 bytes
SHA-256: da987ab8f504c8575ae6ab2dfa8c0ea338da55c1d693a3fbecb5743726c79053
font_01_sfnt_off00007fff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FFF 12496 bytes
SHA-256: 3da9a0e87e4696ba3d72ec999ebda3c0ded86a9ee949aa5a3237bfee94232c69

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