Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d207e169a7d6bed…

MALICIOUS

PDF

43.9 KB Created: 2020-08-22 04:28:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 686d9ecc857141c8603880c54614e3dc SHA-1: 9c7bd4bae8f493f7f6c78b8d3c0a1cdf0c98215a SHA-256: 6d207e169a7d6bed698c5f9b7ec47d8dc56db1987b1179a12ecee01702bb7115
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a primary link identified as a malicious redirector. This redirector is designed to lure users into clicking through to potentially harmful content, disguised as a free download. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a phishing or scam attempt.

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=facebook+cover+image+photoshop+template In PDF document text
    • http://files.dociamyer.com/uploads/1/3/1/4/131452949/xumedelagadezux.pdfIn PDF document text
    • http://zitebox.friendsofwhitworthhouse.org/uploads/1/3/0/8/130814328/9654172.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/1/0428/9835/8432/files/wefudebavisizaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2392/4376/files/sistem_pencernaan_pada_manusia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0826/5125/files/60015501878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4844/9686/files/production_of_antibiotics_penicillin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0772/8023/files/dibizagirevanokezolus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3692/5342/files/zemewegitudiguregisuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1335/6189/files/9949044141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8037/5702/files/zowav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4247/9000/files/39248035934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1482/3844/files/ashampoo_video_converter_with_crack_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0015/8629/files/biggest_loser_diet_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/9443/7029/files/pool_allocator_c_performance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3296/0409/files/sofefewivonajeguzorojoziz.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: randolphcountycd.com 5 samples

Related samples 2

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_off00006d03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D03 5568 bytes
SHA-256: a048530d5ebb72c5af8991b0a66a611a78b1de56a3e298f65ab8b9a568d82ee3
font_01_sfnt_off00007fd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD0 10212 bytes
SHA-256: ed04ea567b642f16022420c72954fdbcd2bbfa072a72a26d7893ebc527a3d79d

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