Malicious PDF — malware analysis report

Static analysis result for SHA-256 2309bb08a9430db8…

MALICIOUS

PDF

39.9 KB Created: 2020-08-20 23:16:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9979eea2f6fd1b4dcef3086a3828644 SHA-1: 97ee01ba47bbe30a00b4344b50ba502045aad24a SHA-256: 2309bb08a9430db820325e7ff6a066882c50cc72dd910a28e49d0cee4a154eb8
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.cc'. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL and several benign-looking URLs, suggesting a link farm intended to deceive users or search engines.

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.cc/pify?keyword=design+of+aircraft+corke+pdf In PDF document text
    • http://files.harrylahrauctions.com/uploads/1/3/1/4/131437753/8073794.pdfIn PDF document text
    • http://files.jj-figurines.com/uploads/1/3/0/7/130738696/naredo.pdfIn PDF document text
    • http://files.finehusky.com/uploads/1/3/0/7/130776791/02b7a6337c09676.pdfIn PDF document text
    • http://files.bbbstraighttalksports.com/uploads/1/3/1/1/131164153/xividefasuj_riliduban_pifoje_jijurumikomorif.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/1/0428/1909/2647/files/gizesugetev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9806/2491/files/sexagusadukani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2317/8656/files/15941047001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3976/9254/files/lusulurefagudabe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4903/1592/files/fanoxarevekujaguzazobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5332/5215/files/varanasivaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2412/0984/files/givabij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/judegesuzopo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0894/9402/files/whatsapp_app_free_windows_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5963/4591/files/dugavewarixuloni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0077/4308/files/public_administration_books_download.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
🗂 Part of campaign: bbbstraighttalksports.com 6 samples

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_off00005e4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4A 5352 bytes
SHA-256: 9c56ca9183513baadee54d75002e91484c57c5ba5ed7ad30ba9a135a76c61d83
font_01_sfnt_off00007095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7095 10092 bytes
SHA-256: 24c01e54b60618ded4983e97360121473be59719e275644cb2e4896a1de72579

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