Malicious PDF — malware analysis report

Static analysis result for SHA-256 044ef2947a2656b6…

MALICIOUS

PDF

47.7 KB Created: 2020-08-23 07:57:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 75f90292710d7b1b64d6af634f5d64a6 SHA-1: 9258b901f41642e3e8d9ba1848f97a84d325c71a SHA-256: 044ef2947a2656b68dbd9274982d69dd7de4cc635ee0cf16df7e8ca7c6431de2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic firing for malicious redirector infrastructure. The primary redirector URL is `https://ttraff.cc/pify?keyword=worthing+high+school+uniform`, which is also identified as an SEO lure. The document body, though heavily obfuscated, contains references to this redirector, suggesting a phishing or malware distribution attempt.

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.cc/pify?keyword=worthing+high+school+uniform In PDF document text
    • http://files.canyonlakevillas.com/uploads/1/3/1/1/131164113/2378225.pdfIn PDF document text
    • http://duwodak.a-mel.co.uk/uploads/1/3/0/9/130969627/e8516e5e101e.pdfIn PDF document text
    • http://lexipo.bthnm.org/uploads/1/3/1/6/131606552/menaxuwowiwuza_lifuvikupipo_topoguti_vugewekunerani.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/1/0438/7930/1275/files/chris_rock_bigger_and_blacker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9904/6553/files/xoguwifijowegopoboxosudog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/6980/4439/files/data_structures_and_algorithms_geeks_for_geeks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8704/4510/files/kavolenus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6245/9544/files/javascript_file_formatter_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2762/0249/files/arabic_alphabet_writing_practice_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5723/3576/files/33680119587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5702/9019/files/gebipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6462/1216/files/anhalteweg_bremsweg_reaktionsweg_formeln.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 6

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_off00007c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C87 5100 bytes
SHA-256: d70f1cdefcf150c9f9d2983b6cf2a66335cb640c11e224cbeea55da2a3b4ef6d
font_01_sfnt_off00008dca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DCA 10688 bytes
SHA-256: 56205074b46d8727b0705e3019bb6e8d55d95e5f7c788a72e5957aa55ddad82a

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