Malicious PDF — malware analysis report

Static analysis result for SHA-256 7280ac3dbcc5a291…

MALICIOUS

PDF

39.2 KB Created: 2020-08-08 14:42:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 93e872fdcfebe251b2318c0d1979e5f6 SHA-1: c9758e506b4b1bdae8787a54274f0631627a6810 SHA-256: 7280ac3dbcc5a291532ca8878e216ffddcb3bac77eaa81e93190d27627ad0cfc
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to link to a large number of other PDFs, likely for SEO-based phishing or malware distribution. The primary redirector URL is https://ttraff.com/pify?keyword=particularly+sensitive+sea+areas+pdf, which is flagged as malicious. The document body itself is heavily obfuscated but contains references to this URL and other Shopify-hosted PDFs.

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=particularly+sensitive+sea+areas+pdf In PDF document text
    • http://files.balihealthandspa.com/uploads/1/3/0/9/130969194/2795397.pdfIn PDF document text
    • http://files.swlizard.com/uploads/1/3/1/6/131606280/jatovilojobevi_genunudaxagi.pdfIn PDF document text
    • http://files.thomastownns.com/uploads/1/3/0/7/130775762/87436d539958e.pdfIn PDF document text
    • http://files.sandiegocsi.org/uploads/1/3/1/4/131437873/2053c3632.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/1/0432/7863/1072/files/19161806727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1747/0101/files/5014194155.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9371/1265/files/mesemokobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6324/files/gubesudawazexopejelobopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7389/6615/files/attitudinal_and_behavioural_loyalty.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/fapixulaxizomibezudiwiba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8978/8069/files/tuxinaladoto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6769/4501/files/lasuzisonexixixovukapug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3444/7770/files/web_accessibility_checker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99781003244.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_off00005c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C87 5312 bytes
SHA-256: 620362af6f492ee37849b1fe5f25f7b0abfdf9f6028c3a70f3f083c55b6ff156
font_01_sfnt_off00006eb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EB8 9748 bytes
SHA-256: b906d9cd5ec38d85b35d8ad473fbe4c8b3f5b009c2ad6515a33c082c40020319

Open this report in the interactive analyzer, or submit your own file for analysis.