Malicious PDF — malware analysis report

Static analysis result for SHA-256 09709727a5c13597…

MALICIOUS

PDF

41.9 KB Created: 2020-08-06 19:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 07310bb51428a08db9178d7529a49137 SHA-1: fede2f711df7ab6eb887b80551fb10e8891f0656 SHA-256: 09709727a5c13597956b931c1746de24f61ab54a120b30e56547d7155029c73c
194 Risk Score

Malware Insights

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

This PDF document contains a link farm designed to redirect users to malicious infrastructure, specifically identified as 'ttraff.ru'. The document's content, though obfuscated, includes a URL that is flagged as a malicious redirector. The presence of numerous external links, many pointing to Shopify domains with numeric slugs, suggests a tactic to manipulate search engine results for phishing or malware distribution.

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=bipolar+disorder+screening+pdf In PDF document text
    • http://files.jmn-i.com/uploads/1/3/0/8/130814642/badegumun-vafadivo.pdfIn PDF document text
    • http://files.bskyfitness.com/uploads/1/3/0/7/130739892/widepiwugojojodosa.pdfIn PDF document text
    • http://files.furrypeoplepetsitting.com/uploads/1/3/1/4/131484029/874385b6a19f20.pdfIn PDF document text
    • http://files.jovisan.net/uploads/1/3/2/7/132740552/vazafajebud_kulupu_xetapafis.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/1/0431/6584/3620/files/24979342461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3839/9912/files/kofosonamuzoxide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7643/5621/files/60850014337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/gekejutukopakiroz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1829/6216/files/rejogujarepomapipefupiga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tovunegorudakumuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0721/2694/files/84466380811.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6385/9617/files/kugupel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3070/8385/files/sudupilezibibezoduxilip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/zudupenapomejezux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/nijaputatasobaluzi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6294/2101/files/financial_accounting_multiple_choice_questions_and_answers.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_off000066da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66DA 5372 bytes
SHA-256: 5b10e159d2517dface6cc7abe79239fa32c37beeeff2edef08a085c53c288f3d
font_01_sfnt_off0000792d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x792D 9844 bytes
SHA-256: e5a5e1924584c8f30dce395561c7f6463a13a10038d3a7175b3a8cd4ee4c98d9

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