Malicious PDF — malware analysis report

Static analysis result for SHA-256 48184a4f8104766d…

MALICIOUS

PDF

39.9 KB Created: 2020-08-18 20:56:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d30e2beb80776082c36c088fd86a8f53 SHA-1: 93b566524e7b79207fe83eee1de2ff695f3f2c9c SHA-256: 48184a4f8104766d8a94f908d6cb617737d8590f912cf12079e526d75fdeb2c6
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector at https://ttraff.com/pify?keyword=glow+lighting+effect+hd. Another critical heuristic indicates this PDF is part of a link farm, likely for SEO poisoning or to distribute malicious content. The ML classifier strongly supports the malicious verdict. The document body contains text related to 'glow lighting effect hd' and the redirector URL, suggesting a lure to entice clicks.

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=glow+lighting+effect+hd In PDF document text
    • http://files.nahskeyclub.org/uploads/1/3/0/8/130874055/1466b4.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/1/0431/5811/0363/files/memuzinijinage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/3011793305.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1948/2774/files/12822358883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1644/3288/files/famekizejonaxapalisom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/tukafasewawekazexuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2698/0765/files/rugimaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9244/3303/files/animorphs_book_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9975/8497/files/mawejudowilozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5103/1447/files/air_pollution_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0151/1068/files/70936671176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8280/0542/files/1453532227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5911/7206/files/3659457291.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 2

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_off00005e2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E2B 4920 bytes
SHA-256: a9a8cac962acb88bd46c0a8f3a1fd60c9e282353b822e323abc090df8534c826
font_01_sfnt_off00006eff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFF 10628 bytes
SHA-256: 01397ed7e3c491f3bf3e6efe8d7b5bdb20892709acb585682a35d20b074265b0

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