Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c571f3eaca04902…

MALICIOUS

PDF

38.5 KB Created: 2020-08-22 02:20:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e8ec28e93818df377337bc51967ccfc SHA-1: 3e2b5ed731dd9e1dd9d2ca668b0b501ada35a414 SHA-256: 1c571f3eaca049020f1b376ba90631c2d3fe615c2050afd12e5d8d09c2f71fb2
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 pointing to Shopify domains, which is characteristic of a link farm designed to manipulate search engine results. One of the primary links directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=love+rosie+imdb+parents+guide', suggesting a lure related to the movie 'Love Rosie'. The presence of a malicious redirector indicates an attempt to lead the user to a malicious site.

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=love+rosie+imdb+parents+guide In PDF document text
    • http://files.christopherjdevine.com/uploads/1/3/0/7/130776022/27fd889.pdfIn PDF document text
    • http://files.wstaylor.info/uploads/1/3/1/4/131438474/d64889b.pdfIn PDF document text
    • http://kekelusus.wingerlab.org/uploads/1/3/1/4/131408984/vodexakewowu-munen-mopumufak-balabefip.pdfIn PDF document text
    • http://pogediw.tamara-vasquez.com/uploads/1/3/0/7/130776089/3befbb40ebea59.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/1/0435/4077/5071/files/kegovexof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36726725464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5523/5740/files/bus_simulator_2018_game_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68513135127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3590/2631/files/71943483103.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0709/8529/files/zebelaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4094/8892/files/embed_in_iframe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1656/6422/files/livububoxaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6558/1469/files/business_studies_class_11_poonam_gandhi_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5811/0363/files/66089259123.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8365/3535/files/13011547525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7442/8829/files/mibamilufup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3756/2779/files/low_cholesterol_diet_plan_australia.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_off0000580e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x580E 5388 bytes
SHA-256: dbe802afeac45447c790c27608009597eadc5ccbd2abb2073f1d5947810e7fd6
font_01_sfnt_off00006a4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A4A 10264 bytes
SHA-256: 2e4cef02b12b101e0edb0810ec1557c1f9c3c94beafc6f9ae47f348b658ea426

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