Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1b248a24ae8666b…

MALICIOUS

PDF

47.3 KB Created: 2020-08-01 17:18:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9069ee8aadb94497e5919399180388e SHA-1: c03219f65cc6f34793a61794d2a3af9cf028b3b8 SHA-256: c1b248a24ae8666b4507503a6095ae22a486df06d9145b3c152ed9160a1b2185
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the text 'Naruto minecraft server' and the malicious URL, suggesting a lure. The presence of a large number of embedded PDF links, many pointing to cdn.shopify.com, indicates a link farm designed to improve search engine ranking for malicious content. No scripts were extracted from this sample.

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=naruto+minecraft+server In PDF document text
    • http://files.australiancouncilofhinduclergy.com/uploads/1/3/1/6/131637529/mapowagemedolare.pdfIn PDF document text
    • http://files.coldbrewespresso.com/uploads/1/3/1/3/131384173/e48d07a20d48d.pdfIn PDF document text
    • http://files.mseastsclass.com/uploads/1/3/1/4/131482881/xebumuludivodot_kemufip.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/1/0431/5774/9917/files/zagav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8446/1720/files/98591499680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9258/2293/files/66737618674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9483/files/jeparusovuwakavutupum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6753/9623/files/93971074813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80023348890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/tabajidejolitobuvazogos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5384/0534/files/69757804354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0860/4829/files/22547015398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6758/0317/files/tebimazusezilabigi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4097/1674/files/nimujorosovonobobaboruxib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4143/9400/files/93597362991.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_off00007b5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B5C 5024 bytes
SHA-256: 21420ed2d836d2674b3f7283de81ef5a141034c606af86657ae9ca843c4b2a72
font_01_sfnt_off00008c6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C6D 10544 bytes
SHA-256: 4874dd4c7a72b9b64c3cb765ed9d5d4d4074a87cb590606adc5e1293591dafc4

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