Malicious PDF — malware analysis report

Static analysis result for SHA-256 d794cc4b8c66b06f…

MALICIOUS

PDF

34.5 KB Created: 2020-08-18 22:07:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 868718060ad7a4a171c5e1ba05756006 SHA-1: 814f7726078434db4703adb563c366327bf7cf3d SHA-256: d794cc4b8c66b06fe2c96203c516aa93bb8f0c77835a2b6034027eb038c50108
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with the primary heuristic identifying it as a PDF link farm. One of the embedded URLs, 'https://ttraff.com/pify?keyword=tesla+effingham+performance+center+august+3', is flagged as a malicious redirector. The document body contains garbled text but includes the same Tesla-related keyword found in the malicious URL, suggesting a lure. The presence of numerous links to external PDFs, many hosted on Shopify, indicates an attempt to manipulate search engine results.

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.com/pify?keyword=tesla+effingham+performance+center+august+3 In PDF document text
    • http://files.beamstudioart.com/uploads/1/3/2/7/132740338/f1a88b33.pdfIn PDF document text
    • http://files.voluntarysectorgateway.org/uploads/1/3/0/7/130739621/gipumida-zekakuv.pdfIn PDF document text
    • http://files.new2ufashions.net/uploads/1/3/1/6/131636766/xapuwene.pdfIn PDF document text
    • http://files.rentfloridahomes.com/uploads/1/3/1/3/131384401/kinuvulu-sepamabuja.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/1/0441/3738/2040/files/used_chipboard_sheets_for_sale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/8785445082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3010/1668/files/88044187259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6966/1589/files/artie_shaw_clarinet_method.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4445/4051/files/77614006721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9292/files/bexuvobipagevovusubepuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1773/2259/files/simazisedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6986/6141/files/40913497022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8089/3084/files/ragapa.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 5

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_off000049e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49E1 5540 bytes
SHA-256: 84faaf84183fc45fc6767585e83e1929614ca1a1a80a11a0f730ee29fd960fda
font_01_sfnt_off00005c90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C90 9584 bytes
SHA-256: 0bcf8816f8316bfd0cb0c8350fb2f82afac99773f3abd7a93a81786aa866af7b

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