Malicious PDF — malware analysis report

Static analysis result for SHA-256 2975307355dfccd4…

MALICIOUS

PDF

43.2 KB Created: 2020-08-04 01:54:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9b65f85a1d2489d0162f31e4ecf47803 SHA-1: f82f02c2ce09690854e289a4d5f139e4ecfb38cd SHA-256: 2975307355dfccd4726ab95d8ceeb1c15bbae8b44148943b0e3eea1ba1880763
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=grade+9+english+module+anglo+american+literature+answer+key+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure for educational content. The presence of a link farm further supports the malicious intent of directing users to potentially harmful sites.

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=grade+9+english+module+anglo+american+literature+answer+key+pdf In PDF document text
    • http://files.hungryhawaiian.net/uploads/1/3/2/6/132682848/6939f8188d5.pdfIn PDF document text
    • http://gawemuj.apco-florida.org/uploads/1/3/1/0/131071252/romupokejiwisu-jalilude-jikegek.pdfIn PDF document text
    • http://files.sustainable-movement.com/uploads/1/3/2/7/132740464/zunole-xukopa-kopom-jukowowejig.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/1/0431/5712/7336/files/vamore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4316/6107/files/24686289752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5653/7505/files/lomafefepiteridi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9811/9075/files/12667182821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8948/5221/files/burger_bistro_centurion_menu_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2905/4118/files/zozajuram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0252/7895/files/36496802683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7230/4790/files/77232706422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5806/0703/files/43802102496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3626/9983/files/ranamisaravuroberavom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5376/9126/files/99076795661.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_off00006730.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6730 6012 bytes
SHA-256: 6db088fcb158d3f7474db3adf861ecb0583a2700b76f565daad8820d074c8ae7
font_01_sfnt_off00007b99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B99 10588 bytes
SHA-256: 7628e7dcfa99c5bed0889c02e3ef6d5a8722f678eed45c051a8cf909e6b46239

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