Malicious PDF — malware analysis report

Static analysis result for SHA-256 322c586ff962851a…

MALICIOUS

PDF

48.4 KB Created: 2020-08-03 23:23:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c21759384302bc1e2b1d9e4f98434ecb SHA-1: daffa94e27c1857f8581ca56775cae241385b17a SHA-256: 322c586ff962851a3bb2d458318d50869804cb61c8a8044970017422b4b9cf13
234 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on 'cdn.shopify.com'. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be a decoy, instructing the user to open a password-protected archive, a common tactic to bypass gateway security. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=c%25E1%25BA%25AFt+file+pdf+b%25E1%25BA%25B1ng+nitro In PDF document text
    • http://files.gumbeerfest.co.uk/uploads/1/3/1/6/131606965/gusafozenidu.pdfIn PDF document text
    • http://files.huntsbrangus.com/uploads/1/3/0/8/130813111/667c4f55437.pdfIn PDF document text
    • http://files.ajdevitt.com/uploads/1/3/2/8/132814906/8205163.pdfIn PDF document text
    • http://files.wss1sgradeib.com/uploads/1/3/0/7/130740323/pabetajegefofa-natoxoweju-mavalivebipanuk-majufajovezaj.pdfIn PDF document text
    • http://files.dj-b-fore.com/uploads/1/3/2/6/132695418/bc818c0.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/1/0429/6382/8895/files/47697307166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9724/4316/files/70051468714.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1656/8482/files/50cc_scooter_simplified_vacuum_hose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dusegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6756/3429/files/figalelomorola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/lolikulofuvipozilet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2292/files/55470434448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0921/1557/files/20862381547.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5031/9528/files/86879125647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4150/4927/files/dobisofelul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0123/4076/files/xixodelesibo.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_off00007ca4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA4 5444 bytes
SHA-256: 893ee6c8928754e9aada49c4baf659973eb46b836acaeb7de51f79a8f3cc6c62
font_01_sfnt_off00008e60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E60 11564 bytes
SHA-256: 37c7e092bffccb7306b0e02eea12a8bcfb1120f62ea8afaf6ce0ed7213ef60e6

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