Malicious PDF — malware analysis report

Static analysis result for SHA-256 69abe7c9d4672953…

MALICIOUS

PDF

44.8 KB Created: 2020-07-31 23:33:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6963a809cf56f44b944c97be3d2c9f26 SHA-1: 4cd24c3a0a2d68963abfed7c16c40f06b68db4b1 SHA-256: 69abe7c9d4672953bd15b36aef438c238300154fb0dac159232baf4c4f720ebe
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many pointing to a redirector service, suggesting a link farm or phishing campaign. The primary redirector URL is `https://ttraff.ru/pify?keyword=herblore+calc+rs3`, which is also flagged as malicious. The document body, though heavily obfuscated, contains this URL and references to 'Herblore calc rs3', likely a lure for users searching for game-related tools. The ML classifier strongly indicates 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=herblore+calc+rs3 In PDF document text
    • http://files.thorsonpto.org/uploads/1/3/1/4/131453294/nujijifus-nedejisamo-vurupakezowavoj-xotiluf.pdfIn PDF document text
    • http://files.uwfkappasigma.org/uploads/1/3/1/8/131858747/zawideburoku.pdfIn PDF document text
    • http://files.saultblues.com/uploads/1/3/0/7/130775528/bawojaxefijisabaki.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/1/0434/0878/5562/files/64273462411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5511/8501/files/suzulexijizirasuditopawo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1023/6321/files/kikiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5207/2088/files/muxegufolijos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/82871626678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/kavobedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9751/3381/files/gajipidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8730/5629/files/jekexij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/4235585909.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2175/4787/files/sanuvewuni.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 4

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_off000062f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F8 5056 bytes
SHA-256: 3fd16d6aeca1e08a9c7463503703d72c16e81cf3e28dd0038b598e6b8571e9ab
font_01_sfnt_off00007435.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7435 15692 bytes
SHA-256: 4e3ebf335118ed24853ca30df2c2fd88963eff9e3269b38ef04acbd94326ddd3

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