Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c74eadd416fcaf9…

MALICIOUS

PDF

53.8 KB Created: 2020-08-11 03:07:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aecf89f13f0084dadbccb17c6dd63403 SHA-1: e31a78a7ddc9680eae84b49302926b1f65684447 SHA-256: 1c74eadd416fcaf9694416499c93cfc970b02d4f70a32a93343eaf6585cece5a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/pify?keyword=aradia+gospel+of+the+witches+pdf, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and other PDF links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.

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.ru/pify?keyword=aradia+gospel+of+the+witches+pdf In PDF document text
    • http://files.kaleenacarter.com/uploads/1/3/2/3/132303061/mewapavapajeka-walukiwu.pdfIn PDF document text
    • http://files.hapia2013.org/uploads/1/3/2/6/132683017/mojinife-safososujizubes-bugapow-kafunezadetemo.pdfIn PDF document text
    • http://files.dalicakes.com/uploads/1/3/0/9/130969887/c068b24.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/1/0428/2525/3023/files/24911367705.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/cleveland_municipal_school_district.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/7221014818.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0636/9703/files/jubusigigolekejebosogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3775/3501/files/buwosexamasudazawovodurol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8666/7158/files/vowuraxod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6962/7799/files/zafilibivef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91300886864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6100/8791/files/xakiwefinujuguvaruzaveza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7274/9721/files/63830238026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8943/6580/files/59182310299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8546/3713/files/13176544072.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 4

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_off000094d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94D0 5496 bytes
SHA-256: 5f4f95c899b1bce3fe3c62dc095f04d314618f138ae29e44db467f96aef513e8
font_01_sfnt_off0000a78b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA78B 10220 bytes
SHA-256: 35495c968363b7f1bfae95f4a4d55248bd15d1012c03ee5d044f221d84a8bb66

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