Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e1540dbb685f0c3…

MALICIOUS

PDF

42.2 KB Created: 2020-08-20 10:30:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9ff07105ddb9679cd308f09ca0955977 SHA-1: 788d12bc65664a720482eb6b559b11590a1990dd SHA-256: 6e1540dbb685f0c3bbffd2944ae9e3926af2e0fb484ee5af0f0908d676833bfb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link that redirects to a malicious SEO redirector, likely intended to phish users or deliver further malware. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM confirm the presence of malicious redirector infrastructure and a link farm. Although no scripts were extracted, the embedded link itself is the primary attack vector, leading to the "african animals videos" lure.

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=african+animals+videos In PDF document text
    • http://zoleti.escapesdentaltv.com/uploads/1/3/0/7/130775726/gogenutopagesijin.pdfIn PDF document text
    • http://xotut.ittakesavillageys.com/uploads/1/3/0/9/130969130/5053889.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/xowuvam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0509/9675/files/8318739102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9159/7214/files/gasitafulebitevejut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8670/8893/files/munan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4730/2806/files/36659452067.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0098/7801/files/2658590753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0660/7012/files/bovazatevarupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4005/5208/files/blackjack_basic_strategy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7037/4559/files/aerodrome_design_manual_part_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9740/0223/files/wedasafaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/9766424859.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 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B45 4924 bytes
SHA-256: c3013014477d3213809630fe11beaca1042338f6e345092396c388270812774d
font_01_sfnt_off00006bd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BD4 9932 bytes
SHA-256: 44804f21e957fe3fc78e4e890aaa25d39ad7609c666806febba63ed2ca28c686
font_02_sfnt_off00008de0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE0 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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