Malicious PDF — malware analysis report

Static analysis result for SHA-256 94afb7a9300c6f3e…

MALICIOUS

PDF

44.7 KB Created: 2020-08-17 06:45:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d8cfdd18d122bbd53d43a33a2c226e81 SHA-1: 8f367a3500cadecb1b100af1a524b6c4f5bfe049 SHA-256: 94afb7a9300c6f3e8f5306e52206385fe7e5aa03a7b99091bb010c8205dddce2
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to PDF files hosted on Shopify. One of these links, however, directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains text related to 'Sweden league table and team form' and appears to be a lure to disguise the malicious link farm.

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=sweden+league+table+and+team+form In PDF document text
    • http://xigupokex.timberlinelearningcenter.com/uploads/1/3/1/8/131871578/3780327.pdfIn PDF document text
    • http://files.peacelutheranconnersville.org/uploads/1/3/1/8/131871739/tibikelimol_fibiri.pdfIn PDF document text
    • http://files.guidedlondontours.com/uploads/1/3/0/8/130874154/1494532.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/1/0433/3004/4062/files/23931714043.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9433/4869/files/wisajezexozujisazipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zikoraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2493/3283/files/breathing_techniques_for_sleep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0034/7299/files/petisolojaxijisenofemake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/antecedentes_personales_no_patologicos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2480/9116/files/binary_options_candlestick_patterns.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8122/7670/files/66774121124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6997/3415/files/general_awareness_aptitude_questions_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/1733937985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3192/4629/files/95827312893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.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 5

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_off00006995.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6995 5384 bytes
SHA-256: 0b871e3523778d88ab17b19691168dc66c99f2a5d3b0e8fe023f63bd675fffa7
font_01_sfnt_off00007bde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BDE 13672 bytes
SHA-256: 9cdbe9309f6ff266dbf924a25ccf228a23b62388a06338772bcaf0559d587a23

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