Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dcede90e8b3ed9f…

MALICIOUS

PDF

45.5 KB Created: 2020-08-17 10:41:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 006e3942b0133fa520fbec5309cc0165 SHA-1: e5327a4dd078d267d346d33f7664abbf5ec4edd5 SHA-256: 9dcede90e8b3ed9f0d6dd3c73624f96c9f839adf5b1d3874c546994fafe0168f
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 Shopify domains, but one critical link redirects to a known malicious domain (ttraff.com). The document body text, though heavily obfuscated, contains the same lure text as the malicious URL. This suggests a phishing or scam attempt designed to redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=java+project+source+code+free In PDF document text
    • http://files.ildjservices.com/uploads/1/3/2/6/132681865/20f47a8d236882.pdfIn PDF document text
    • http://files.liveactivepc.com/uploads/1/3/0/7/130739274/4230709.pdfIn PDF document text
    • http://files.puressecosmetics.com/uploads/1/3/0/7/130739978/pefewojuro_tapudakinifi_dubanagonik_vunejovewetupe.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/1/0429/6425/4883/files/nikodemuwivagudezalem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/dafeborurin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93616534700.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/piwudemolunakewosuvidapub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/1478/7996/files/33327214448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9869/4042/files/xipizenijukunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9797/2135/files/lavenevukapiwulolopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9622/0572/files/manusia_merupakan_makhluk_sosial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8222/5566/files/77619760725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sivezijikok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7749/2118/files/emotional_regulation_worksheets_for_adults.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2133/4690/files/android_studio_tutorial_streaming_video.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9427/0371/files/agnieszka_macig_penia_ycia.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 4

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_off000068ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68EA 5240 bytes
SHA-256: de665f1fbddfd7a349a55e761d2a9ce34fb08bb3ff352cef8696e0e310c3f15a
font_01_sfnt_off00007ada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ADA 14576 bytes
SHA-256: 603da084c0fcefa170f8c003abdbfc9a6f5360786a4014e9a8597690e013978e

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