Malicious PDF — malware analysis report

Static analysis result for SHA-256 33b9f895b1a1bde8…

MALICIOUS

PDF

36.1 KB Created: 2020-08-20 00:02:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 58fcfe8a80372b728b12409dbdb8d990 SHA-1: 567e4f544ee306ff283776f372b48e0bbdf7b5d5 SHA-256: 33b9f895b1a1bde85ba572b67a9ee235a2d78def2152a9ecd3e311f293b4ece5
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=candy+blast+games+free'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body contains garbled text but includes the malicious URL, suggesting a lure to a scam or malware download site. No scripts were extracted, limiting the analysis of direct payload execution.

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=candy+blast+games+free In PDF document text
    • http://files.cariboucafe.com/uploads/1/3/0/7/130775959/ludezamizuzagazu.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/1/0429/2512/9891/files/79557649604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6681/7689/files/24602203118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3884/2779/files/12743677898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6124/7138/files/bapibakorarumuzajununa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0473/1300/files/wipob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/56528206995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4143/1464/files/2018_chevy_malibu_premier_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3694/2231/files/53012814472.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8841/2836/files/notepad_python_ide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/aha_music_identifier.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7182/2232/files/audit_assistant_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4914/6778/files/kptcl_syllabus_for_ae_civil_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1141/5962/files/cetoacidosis_diabetica_y_estado_hiperosmolar_fisiopatologia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/lofuvisagidoxizuju.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_off00005011.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5011 5372 bytes
SHA-256: 96cbc0e3eced1c0bb4abdb579886fb92da6a23abde72c63305bd4ed409726632
font_01_sfnt_off00006247.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6247 9708 bytes
SHA-256: c5822135d5a0838260830fa730dcec9c07bb8142c149777e51d40f45f197f20c