Malicious PDF — malware analysis report

Static analysis result for SHA-256 6debe5b2ab811a23…

MALICIOUS

PDF

45.3 KB Created: 2020-08-22 14:17:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 34e99552de85e87027f56dc047b94b82 SHA-1: 2f89ce9423f2a3d3d526737336c3ada723ff455e SHA-256: 6debe5b2ab811a235cb846dfe2fca86be176838fc4eb013435ff1068a73a014c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector infrastructure designed to host SEO-optimized PDF lures. The primary redirector URL, https://ttraff.com/pify?keyword=boss+katana+50+mkii+manual, is flagged as malicious. This suggests a campaign to distribute malicious content through a link farm, likely for phishing or malware distribution.

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=boss+katana+50+mkii+manual In PDF document text
    • http://borumap.viana-motion.com/uploads/1/3/2/6/132683138/livupurikub.pdfIn PDF document text
    • http://files.nicreconciling.org/uploads/1/3/1/8/131857920/zifawax_zemupepirezized_tukatoxijeda.pdfIn PDF document text
    • http://files.naturallybalancedvet.com/uploads/1/3/2/6/132681062/genemisoteja.pdfIn PDF document text
    • http://files.sweetbstoggs.com/uploads/1/3/0/7/130775025/43a6f.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/1/0435/4942/5823/files/life_cycle_of_ascaris_lumbricoides.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7301/9808/files/wiforosepabuno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7880/2846/files/ruxexizawumafevutabulax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5598/0439/files/mejatanora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4593/6534/files/wilivam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2613/6731/files/motedevamafatewirorozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7994/2812/files/ableitung_bungen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1053/1233/files/47970959649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3033/1040/files/55974719342.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/5983/2982/files/retojip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8172/files/carrion_crown_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6200/0806/files/688500525.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_off0000737a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x737A 5112 bytes
SHA-256: 9cf4320cd64c2787202e7646e535c5037513e2482ef48f4be114c6b45f393481
font_01_sfnt_off000084d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84D1 10332 bytes
SHA-256: 59fcd4df3ce26a52a1ec5f73090c1e4684ef582ef64280d05bc01a62dde8d0cf

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