Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc9073a6f9803984…

MALICIOUS

PDF

41.1 KB Created: 2020-08-10 21:12:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dff966632a88ffab45a7f14334ed282b SHA-1: 96259a875dc2da1474ff608348ecf268f104bfa3 SHA-256: cc9073a6f9803984857603cfdfbaa1b484b1732c85c383c90b065cfdcae5ef79
194 Risk Score

Malware Insights

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

The PDF contains a link farm pointing to numerous Shopify URLs and a primary malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the target URL and references to 'isometric grid a4 pdf', suggesting a lure. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a malicious redirector.

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=isometric+grid+a4+pdf In PDF document text
    • http://files.satorigames.co.uk/uploads/1/3/1/4/131454586/ripamolegideso.pdfIn PDF document text
    • http://vojifumol.marigatemplewest.com/uploads/1/3/0/8/130814124/2947778.pdfIn PDF document text
    • http://files.blackbeltherbs.com/uploads/1/3/1/3/131380777/831586.pdfIn PDF document text
    • http://files.prettylittlepotions.com/uploads/1/3/0/7/130738704/mugavaferepezexeduzu.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/1/0433/0687/7080/files/69865881622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5636/4711/files/4745039981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vebamuwonodivori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6237/6088/files/rowuxuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/527329122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2632/4383/files/19471617018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1149/5320/files/ceptam_9_notification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0909/7376/files/56619602163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7846/7222/files/miropebijurigaxatomapejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4672/1946/files/vimop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9832/5671/files/lua_split_string.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 3

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_off0000622e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622E 5468 bytes
SHA-256: 9d6bced12dd66bdca8fc36cd8ba3cad89678d1cc56a3c8d5713ce77fce8dada3
font_01_sfnt_off000074bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74BD 10312 bytes
SHA-256: a05d57713c2fb4b7f669b756b71b1640cc45b6ea2d282a0b8a3dc6bb59008d53

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