Malicious PDF — malware analysis report

Static analysis result for SHA-256 344ec055d2f1fd54…

MALICIOUS

PDF

44.4 KB Created: 2020-08-02 08:50:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c23a02d0e16114dbaf2d64dfc34b5c7b SHA-1: 3b6336e0164f26350ec5cae207a855a44069be3d SHA-256: 344ec055d2f1fd549174f7aa87507fbd09614a06d5e17e2416dc3fe59b66d087
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=don+omar+dale+on+dale', which is flagged as a malicious redirector. The presence of a large number of external PDF links suggests an attempt to create a link farm for SEO manipulation, likely to distribute malicious content or phish for information.

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=don+omar+dale+on+dale In PDF document text
    • http://files.ruralpunk.net/uploads/1/3/0/7/130739398/c90bd5c.pdfIn PDF document text
    • http://files.mhecblacon.com/uploads/1/3/1/4/131437351/vasak.pdfIn PDF document text
    • http://files.rwmassets.com/uploads/1/3/1/3/131379680/rosekesugi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1021/9422/files/fujujewapawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8129/3221/files/bepaxolapubenape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8900/2650/files/dularurovuvagumegenala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4807/4396/files/48346755412.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0201/1548/files/tirelegudetetav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7190/5698/files/74009071802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8694/5187/files/seboxanusutuweje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5949/5590/files/vumaxefufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lajuvifubukakevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6971/9196/files/71946054395.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6116/5723/files/89478456841.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006512.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6512 4452 bytes
SHA-256: c455b09b9d359d5f3c92f1bcf1722cd6ad9ab6a8264de9c0ca2b0035350be5de
font_01_sfnt_off00007401.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7401 10108 bytes
SHA-256: 363d71e54f8b6c66a296f3088781653ab25be1d85be4bb0cd84567737fd65034
font_02_sfnt_off00009688.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9688 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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