Malicious PDF — malware analysis report

Static analysis result for SHA-256 e40dd87232fc6525…

MALICIOUS

PDF

41.1 KB Created: 2020-08-16 22:30:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 82e06e33f152393bf306c99e40323515 SHA-1: b76fcc91accb2061a2001a1e1bbe9a288f6f346d SHA-256: e40dd87232fc6525b5fac321c6d1bc6fcfc1f43ba4e710b0a2061b9bde309695
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. This suggests the document is designed as a link farm to obscure the ultimate malicious destination. The primary malicious URL is https://ttraff.ru/pify?keyword=character+development+worksheet, which is likely used to redirect users to further malicious content.

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=character+development+worksheet In PDF document text
    • http://lemufi.charlietaylorphotography.com/uploads/1/3/1/8/131857315/vogev_vatusum.pdfIn PDF document text
    • http://gugowize.thestrongestfish.co.uk/uploads/1/3/1/4/131437736/83f9061899.pdfIn PDF document text
    • http://zekaduzop.simplycreativetreasures.com/uploads/1/3/2/6/132681352/gomidataxijekane.pdfIn PDF document text
    • http://files.marielouisejones.com/uploads/1/3/1/0/131071249/7b14151.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/1/0437/8856/6677/files/9005270971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8708/5222/files/aporofobia_completo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3284/5207/files/kajusaxijararuzapolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4359/3109/files/wrap_text_in_google_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2337/files/17433645525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2449/8343/files/tinileluxuwafiguvagipuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/3914/2566/files/pogexidelaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3607/3366/files/letagefotizapamimukirifox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5366/1858/files/jessica_artuso_cimmino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3665/5259/files/sabizimijixexadilesen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/2444/5603/files/jatetawefovasijirupe.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_off00006197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6197 5432 bytes
SHA-256: e6915a5b059111f7106b982748d1cdf5c9fab2e42f8a1bd791dd69b651dd7bac
font_01_sfnt_off000073fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73FE 10356 bytes
SHA-256: 2e0fc04ae796f0e6ac090f3ca328dfaf8e9cd9a5aa97dfabcee5b9eeb0f6374b

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