Malicious PDF — malware analysis report

Static analysis result for SHA-256 932a69d4a0efa1e2…

MALICIOUS

PDF

39.1 KB Created: 2020-08-22 03:24:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 01b40fc497c4339abff9b975d793c049 SHA-1: 2850971f5edd20b6e05b9aaafd107562ad87d6ef SHA-256: 932a69d4a0efa1e20385e3feccc29b305a8b84ed15f6f98bc1594b8dcd33a7ba
194 Risk Score

Malware Insights

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

This PDF file contains a link to a known malicious redirector, ttraff.ru, which is designed to lure users into clicking on further malicious links. The document body, though heavily obfuscated, contains references to 'Microsoft sql server format code' and numerous URLs hosted on Shopify and other domains, suggesting a link farm or SEO poisoning tactic to attract victims. The ML classifier also strongly indicated maliciousness.

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=microsoft+sql+server+format+code In PDF document text
    • http://vatemukep.phaysoneskincare.com/uploads/1/3/1/6/131606624/7831470.pdfIn PDF document text
    • http://nerupa.bodylabchiropracticandmassage.com/uploads/1/3/1/3/131379211/156c7b42.pdfIn PDF document text
    • http://files.athenaart.org/uploads/1/3/1/8/131871433/robijexegelud-fibomekuvo.pdfIn PDF document text
    • http://files.bluebellhill.org.au/uploads/1/3/0/8/130814605/374201.pdfIn PDF document text
    • http://vabeg.yureenoh.com/uploads/1/3/1/6/131637030/penusubarobob.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/1/0432/1044/0862/files/91147380193.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3831/9527/files/foxuwuxekosozulorol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7655/8746/files/98296259547.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0506/6913/files/borivonuwojemorepopibaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2843/8440/files/26241921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4892/7386/files/manual_de_taller_kia_cerato_2010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3313/2193/files/jujawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8704/4515/files/gotokiwevemalakuvek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6546/6270/files/modern_cabinetmaking.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3532/8663/files/pimudisozavowagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5487/2214/files/pudufejizefaveta.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB6 5360 bytes
SHA-256: 9e93444a42f63ad68b758529e3d18cd4e2e08fd6554e984e2340ecd7983c4768
font_01_sfnt_off00006dda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DDA 9844 bytes
SHA-256: 29f7e823f8a28adff70d1771bfdcf6cb4383fc08172de4c264619b0099e68094