Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ba141ff9200e64c…

MALICIOUS

PDF

35.0 KB Created: 2020-08-22 22:48:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 39222bbc4afd0e5f7dee898263199e2e SHA-1: e8b9b47a27228656273ff21b591c3014e025d250 SHA-256: 9ba141ff9200e64ce476b8e7115e54e0e8d11440854a97d609e27c636df7e782
202 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=instagram+logo+full+hd'. The document body, though heavily obfuscated, also contains this URL and references to other PDF files hosted on Shopify, suggesting a link farm or redirection scheme. The ML classifier strongly indicates maliciousness, supporting the attack pattern of luring users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=instagram+logo+full+hd In PDF document text
    • http://files.d-93constructionupdates.com/uploads/1/3/0/9/130969151/xawagapopipuxa_kilefupi.pdfIn PDF document text
    • http://files.ewan-macintyre.org/uploads/1/3/2/3/132303068/foranozi.pdfIn PDF document text
    • http://begizuw.lighthouse.group/uploads/1/3/1/0/131070420/6431301.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/1/0431/6885/8276/files/jigubuxegezire.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9941/3925/files/86672717747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/2553/1815/files/cccam_emulator_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0310/0836/files/nesifijosunoloxul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2786/4469/files/61047094792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/7866/4602/files/vufiboru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/0134/0057/files/36882532077.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6213/1869/files/pinavezagowazimagejivata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5748/7778/files/kugatovupoven.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4946/6526/files/85835494532.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 4

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_off00004d2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D2E 5256 bytes
SHA-256: 808d377bad4db908505dd04864354433dfcdd1ba64f4004aeb0e884608ee8f7a
font_01_sfnt_off00005ed8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED8 9596 bytes
SHA-256: bd2bcbbaddb6ebd778d2beb23a1c30aeaf18b38ac6850c18cc22899478cf2445

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