Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7067c733d36f3b3…

MALICIOUS

PDF

34.5 KB Created: 2020-09-10 19:18:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dbffa6e2bbc6ae37f3d58bd10cfbf959 SHA-1: c7803d5e076aba8a6723fe2afe71ffc25f3ceb34 SHA-256: e7067c733d36f3b38586e42db318c22f2ad7e1f4ffe4db535e780155c635c47f
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.club'. Another critical heuristic, PDF_SEO_LINK_FARM, indicates a large number of external PDF links, with the first being a Shopify URL. The ML classifier strongly flagged this PDF as malicious. The document body contains garbled text but includes the suspicious URL, suggesting a lure to a redirector.

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.club/pify?keyword=afyonspor+forma+fiyatlar%25C4%25B1 In PDF document text
    • http://files.peonyflowers.florist/uploads/1/3/0/7/130775046/soxutapomabeduro.pdfIn PDF document text
    • http://jakaxoro.fullwavemusic.com/uploads/1/3/1/4/131437502/2802688.pdfIn PDF document text
    • http://files.siamdetectors.com/uploads/1/3/1/4/131482968/3686236.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/1/0433/0985/8984/files/32313159917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0089/7440/files/wapanopenilisinososira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1334/0312/files/57726402221.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/8730/6392/files/xubagalapujunemexodawuwu.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/badafb_6b98535d01a4422ca534639070be2a87.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/f9fac6_ed17977e96f8402aabac1a43daead33b.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b4a829_6e218da6f71d493c8a7a1beab6f786eb.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/32acb1_a6fc510501074d5da22aa94292ad4a22.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d162e3_0b562e376fc346faa9c26a64a108579a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6482/6773/files/janevoxidewofutidibono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1363/5226/files/10922378263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7832/8221/files/vugiduvupizuvokor.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 6

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_off000047ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47AC 5168 bytes
SHA-256: 28937b1a836820d4a237fd4280dac989876bb9edddf75f247cc4f7d15fe950a4
font_01_sfnt_off00005936.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5936 10692 bytes
SHA-256: 053cad89c8c40bd63922f7211a7c231762b7911bacaa8f288c853bd1e98383c2

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