Malicious PDF — malware analysis report

Static analysis result for SHA-256 b17e4d9f0802597c…

MALICIOUS

PDF

38.6 KB Created: 2020-07-29 16:25:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: df26e43463e500b38ea80933ec55699e SHA-1: 0f1aab09fa3cbf36dc3efed097d06850ab39dc7f SHA-256: b17e4d9f0802597ca16aa6b849ac75f1473a0fd28141dc3b276671bb58d0c102
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector, ttraff.cc, which likely serves as a gateway to further malicious content. The ML classifier strongly indicates malicious intent.

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=algebraic+expressions+quiz+pdf In PDF document text
    • http://files.wrightandcodesigns.com/uploads/1/3/0/8/130874085/pelexemanivorejazip.pdfIn PDF document text
    • http://files.mapleafdals.com/uploads/1/3/1/8/131871583/webetanifixem-nezema.pdfIn PDF document text
    • http://files.benk.com.au/uploads/1/3/2/8/132814967/6a27f88bae.pdfIn PDF document text
    • http://files.ultimateoldiesradio.com/uploads/1/3/0/8/130814200/xamebiluditarog.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/1/0433/0687/7080/files/xibazukikamemawamiwemin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3617/0657/files/74534249364.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2175/4787/files/93487530575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2794/6904/files/kugojoda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/sopilerovejolizamag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0067/7031/files/laxuwuzovetupaja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/5802296421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0276/4184/files/6452507755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58585016777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1187/3688/files/wedamexafegomizuxaxus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riginijulu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9825/7048/files/weporupajali.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 8

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_off00005930.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5930 5496 bytes
SHA-256: 9c2cf1dfac48f7c2165fa81ce9135fc4e4f45bd7e3126c73222bd3b2430bd5c1
font_01_sfnt_off00006be3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE3 9816 bytes
SHA-256: 4e697554523c04f9ffb971883f2c219481101a22e5c85544d69e0a9d1e00d1ad

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