Malicious PDF — malware analysis report

Static analysis result for SHA-256 28c2e19ea0bdfc6c…

MALICIOUS

PDF

65.0 KB Created: 2020-08-08 06:32:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b9b77c4924140b21c590790951fbe66f SHA-1: 6229972406b5eb380289c00a0b8c40d3967a1b5d SHA-256: 28c2e19ea0bdfc6c356562f1e3cda89361bc9ad378aa297a84c05442ed6defdf
194 Risk Score

Malware Insights

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

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external links, suggesting a link farm. The primary malicious URL identified is https://ttraff.com/pify?keyword=history+of+seventh+day+adventist+church+pdf, which is likely used to redirect users to further malicious content. The document body itself is largely unreadable binary data, but the presence of the malicious URL and the link farm heuristic strongly indicate a phishing or redirection attack.

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=history+of+seventh+day+adventist+church+pdf In PDF document text
    • http://xowexi.kayandthechaos.com/uploads/1/3/1/6/131607163/resulux.pdfIn PDF document text
    • http://nejesal.sardisdoorway.com/uploads/1/3/1/4/131407227/1016855.pdfIn PDF document text
    • http://files.nancytangles.com/uploads/1/3/0/7/130740480/lazenumigulub_wusemizigiduzi_bulafikozomat_webudob.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/1/0437/9423/5553/files/47919795109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rabilividobakomitunaxizug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/80568034932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3401/6924/files/wiwijil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9688/3868/files/6592716238.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6268/0984/files/gowumaxogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4127/4521/files/letter_of_instruction_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7939/1646/files/brick_bonds_types_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4963/9327/files/momaxemovituderagogigon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7752/files/pujojuxolanarikub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6397/4805/files/fumurokepe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3637/6231/files/lamen.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 3

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_off0000c120.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC120 5336 bytes
SHA-256: ba58e6cf11c75e063174e53459e31a32b285b800f1540c81a352d936bda41ad0
font_01_sfnt_off0000d34b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD34B 10376 bytes
SHA-256: caa2784c1dd8b6a88a98a18bd369eeb8cfdc9e4312f134ee54bd1983efc0d73a

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