Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e6e9bdeb9bc9600…

MALICIOUS

PDF

49.6 KB Created: 2020-08-07 00:14:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cdc08ab167ae791cdd8b2254822ec997 SHA-1: eef8cc0ba216671ce8ceec53291a8fe771f03ec5 SHA-256: 2e6e9bdeb9bc9600793be48f9177982055fd0242e3da240c94e300ee546309b2
202 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'promissory note' lure, aligning with the 'SE_INVOICE_LURE' heuristic. The primary malicious URL identified is ttraff.ru, which redirects to a page related to promissory notes. The PDF also hosts a large number of other PDF files on Shopify domains, likely for SEO manipulation to improve search engine ranking for malicious lures.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=promissory+note+pdf+free In PDF document text
    • http://files.musiccitypetpartners.org/uploads/1/3/0/7/130739470/6195961.pdfIn PDF document text
    • http://files.800steps.com/uploads/1/3/0/8/130813966/9495548.pdfIn PDF document text
    • http://files.mli-magazine.com/uploads/1/3/1/3/131398386/tijexazeriji.pdfIn PDF document text
    • http://files.polkerrisbeachhouse.com/uploads/1/3/2/8/132814276/bagizelosubowodiga.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/1/0438/9981/4040/files/fiche_de_paie_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/pomomudiki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8284/1250/files/puwakegubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6636/7895/files/colley_vector_calculus_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5172/6501/files/76936460791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4152/9754/files/79496024978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/dejufenerikiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2137/7434/files/44925799297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/gisevojufuvugiwunijop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5601/3205/files/dupuzisedidabug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7341/4055/files/12635879513.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_off00008417.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8417 5048 bytes
SHA-256: e4ebaf9c343f2a016fa365bc8dd665dd1686d65588702b7f4c6f2a62857691b4
font_01_sfnt_off0000953a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x953A 10548 bytes
SHA-256: 5e7bb769a8c817d35eec776dbfb638761aa22830109ee6da1fdedbc252afff54

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