Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c7922d3209096b7…

MALICIOUS

PDF

50.9 KB Created: 2020-07-30 09:51:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4a5a59470be744ae2f9dfe0cc74eba83 SHA-1: 06f2990c55e8c843f50113a02ccfa0931831c295 SHA-256: 1c7922d3209096b7c1e780b8646141c269997976d16d1a2da80c00dfd63c3d62
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains numerous embedded links, a technique often used to obscure malicious destinations. One such link, 'https://ttraff.com/pify?keyword=champions+league+calendario+2020+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to the 'Champions league calendario 2020 pdf'. The presence of a link farm further supports the malicious intent of directing users to potentially harmful sites.

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.com/pify?keyword=champions+league+calendario+2020+pdf In PDF document text
    • http://files.fietstaxischeveningen.nl/uploads/1/3/1/8/131856290/nozorokezofewi-fubugod-wujiba.pdfIn PDF document text
    • http://files.oxfordshire-epc.co.uk/uploads/1/3/0/7/130738915/tilejirov.pdfIn PDF document text
    • http://files.mrizzo1964.com/uploads/1/3/0/9/130969600/d3f88a1c3.pdfIn PDF document text
    • http://files.cathkerry.net/uploads/1/3/1/6/131636995/fosalul-vefiliz.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/1/0429/6749/8911/files/86182983673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9578/4600/files/sawekikirufiwawem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7157/8024/files/novufozarajebuwebon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mevadijuxirefasu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/84244476378.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9252/4702/files/79667129093.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9969/2958/files/mumimur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1766/5701/files/fewivugekozojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7783/6702/files/tigosanate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6999/7207/files/96322668486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0419/9075/files/jovomubetadeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8556/8923/files/ziledafugaparotelimamipek.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 7

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_off000079ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79EA 5668 bytes
SHA-256: 2fca3309b5b35eaeccde8a64eaa9b383b0feba5c4a3f52d6102bbf912466b027
font_01_sfnt_off00008d01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D01 16740 bytes
SHA-256: 2d8cecc481689b2817986a9719224cb715aa1699eada42ee1751ce8ca9b4004c

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