Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc11e2c004eed317…

MALICIOUS

PDF

45.1 KB Created: 2020-08-05 02:16:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9e242fe9cc4a19572953594de19fa1d3 SHA-1: 8ef1f7804a43b61e062f5303bccf7ca7986e4ab1 SHA-256: dc11e2c004eed317ee3d898e38f7d9efa8ac3043c04bad4c4b3c1810ff7f547b
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to ttraff.com. This indicates the document is designed to lure users to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the sheer volume of links suggests a link farm or phishing 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.com/pify?keyword=apache+license+pdf In PDF document text
    • http://files.historic-brookhaven.org/uploads/1/3/1/4/131438151/zoxivodeporex_sibezozubolito_lejifima.pdfIn PDF document text
    • http://files.edcentervi.org/uploads/1/3/0/7/130740563/fesomoxuneduf.pdfIn PDF document text
    • http://gupekaz.summitatrailroadsquare.com/uploads/1/3/0/9/130969465/4017617.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/1/0428/7964/7903/files/celf_4_scoring_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2702/9400/files/80006993167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/20809474273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6797/2515/files/85197415636.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6549/1107/files/xejimoxoruzovedej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4227/5485/files/manual_of_war_pathfinder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5251/4979/files/3432796755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6920/1832/files/zanedapisamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3609/0273/files/wakotibazuxil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6807/0824/files/50006710094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0506/6907/files/66814891150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8210/4478/files/dell_c1765nfw_driver.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6224/7067/files/watch_secret_diaries_of_a_call_girl.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_off00007286.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7286 5136 bytes
SHA-256: 65e33f8db43de497e70e1092bbc4ac23e7c593d64840fc07bdff676a6d7ec9db
font_01_sfnt_off00008403.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8403 10580 bytes
SHA-256: 04d9d7ed342a88872c67e61b6f3fa6d30e2798abe3c7d4655a4d7a1f80953bb1

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