Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3c62324b6720cd1…

MALICIOUS

PDF

40.9 KB Created: 2020-08-05 15:36:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a576041cd448947cb6dc2cd1bf52e802 SHA-1: 363efe9207c6ff195c2fce0772b5ec8bb2da33b7 SHA-256: a3c62324b6720cd10c8971c79c1534b0a18f707f8abf0e50733130b70badf833
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning attack designed to lure users to malicious infrastructure. The primary malicious URL is https://ttraff.ru/wb?keyword=ooty%20road%20map%20pdf, which is likely intended to deliver a secondary payload or lead to a phishing page.

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/wb?keyword=ooty%20road%20map%20pdf In PDF document text
    • http://files.balerno-communitycouncil.org.uk/uploads/1/3/2/7/132712163/sezovom.pdfIn PDF document text
    • http://files.karrathacaravanpark.com.au/uploads/1/3/1/4/131437949/9115762.pdfIn PDF document text
    • http://files.martychristian.com/uploads/1/3/1/4/131407704/265b26dc617.pdfIn PDF document text
    • http://files.donanddarrell.com/uploads/1/3/2/6/132681749/finapeman.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/1/0428/9835/8432/files/tanedikefiresemur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7218/2685/files/96732130872.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7799/9519/files/39030418877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6405/0332/files/lg_k20v_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3311/6317/files/87816046028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2755/2661/files/15818687423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2399/6840/files/nodinifazomifabisapuwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/95089431163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8700/2790/files/zasif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3178/1791/files/tuvogilozoze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0077/4307/files/how_to_change_facebook_notification_sound.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6578/6006/files/38304462590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/jumudotolepomanixalejoji.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_off000063ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63BA 5104 bytes
SHA-256: 607bff6c783db8ccb3e4c7c1b4f968ba376962a4fd988aec5649158a1bdc3960
font_01_sfnt_off00007507.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7507 9980 bytes
SHA-256: fb915d1a47dcc25d9a8a2b13041475689e63dd7015b6ac8f225f1ec5dba5ba7d

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