Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e67c8dd9b98659b…

MALICIOUS

PDF

50.9 KB Created: 2020-08-04 19:00:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6abc671ee9d70f8940459634b87f36fc SHA-1: 0bbf2717392adec439380820052b4a99aa2ea88d SHA-256: 2e67c8dd9b98659b9220fddb51f6de52c8d077138a9872456e72a195480f933c
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=entrepreneurship+development+notes+for+mba+pdf'. This URL is presented within the document body, disguised as academic notes. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The primary malicious IOC is the redirector URL, which likely leads to a phishing page or malware download.

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=entrepreneurship+development+notes+for+mba+pdf In PDF document text
    • http://files.xudedesigns.com/uploads/1/3/1/4/131455680/5c1852625.pdfIn PDF document text
    • http://files.psucusa.com/uploads/1/3/0/8/130814193/5dcc558203533.pdfIn PDF document text
    • http://files.theapostoliccommunion.org/uploads/1/3/1/3/131379296/3864083.pdfIn PDF document text
    • http://files.petershenkinlaw.com/uploads/1/3/2/6/132681832/191218.pdfIn PDF document text
    • http://laleg.barnarts.me/uploads/1/3/1/3/131379803/juxuw_lesim_datelij.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/1/0432/7079/9510/files/97034407279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0985/9999/files/96537757755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6004/3682/files/29671580918.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0222/5059/files/wekawawegalemujiponixe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9455/6324/files/98754847267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3170/7294/files/jepowabojeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4979/4213/files/gunadosuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87463685859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8255/5297/files/serum_protein_electrophoresis_interpretation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1579/7917/files/55008511725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9302/3133/files/4281694529.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6113/9861/files/pujozodojujabekij.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_off000088ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88EF 5436 bytes
SHA-256: 4e2f6514f2c8da489529f2cb20d4a1f2265d7c9275d16941706b120cecd09b78
font_01_sfnt_off00009b42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B42 10224 bytes
SHA-256: 522cad1c6ae92f1a47764858e5bbd002109c44d76cd0c3bc6f68c124a526073f

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