Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e7add1afd5c139b…

MALICIOUS

PDF

46.7 KB Created: 2020-07-31 17:49:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 931c5a789441f91ac52d7a397819c956 SHA-1: 1c6f3191f44a1c55fe52cae1fb874c3572ff8cdb SHA-256: 2e7add1afd5c139ba9c421cec7e4ff011eb7bf4ee2a5721b94dbfb887eac54d0
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. This URL is presented to the user, likely as part of a lure to redirect them to malicious content. The document body contains obfuscated text and a URL that appears to be part of the redirection chain. The presence of numerous embedded links, many pointing to Shopify domains hosting other PDFs, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector.

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=minecraft+piggy+songs In PDF document text
    • http://files.forestgroveelementary.ca/uploads/1/3/0/8/130813998/6031947.pdfIn PDF document text
    • http://files.thecottageschool.info/uploads/1/3/0/8/130814245/nujuvuvuruzadubufit.pdfIn PDF document text
    • http://files.emilyeatkinson.net/uploads/1/3/0/7/130739525/lodejowo-mabofojofopim-mukorureri.pdfIn PDF document text
    • http://files.luminous-studios.us/uploads/1/3/0/8/130873880/2486059.pdfIn PDF document text
    • http://files.margoselski.com/uploads/1/3/1/3/131379396/4873835.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/1/0428/9495/0556/files/23864360609.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42820491308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7314/9859/files/wizamikulefedu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0558/3266/files/zufisapulexopevuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7121/8588/files/dapuzagopifixotefiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9281/1681/files/69636403402.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7599/2728/files/48096443457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/19326716116.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1871/4264/files/wizakemokikaseni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0575/2997/files/46006914267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/84700432679.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_off000077ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77AB 5260 bytes
SHA-256: 9b549e7506d8b87db7bde4e7dbeaabf41f5891c41e5bb50defe3149f126b9522
font_01_sfnt_off000089b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89B6 10544 bytes
SHA-256: 84f55dc410d04f0db951e64bb793e0e61f3f530f22e4d91c79a5e5ffcbe98cac

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