Malicious PDF — malware analysis report

Static analysis result for SHA-256 454eeb2a06e779c3…

MALICIOUS

PDF

38.5 KB Created: 2020-08-26 06:18:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 27aa01235e88cfda792252f76195d118 SHA-1: f9a22101e837bd8eaeff0904ed0a9ccbbbbe788d SHA-256: 454eeb2a06e779c33b4ef9cb833a994cca2ef96de72b8517faa1cea7dcca3311
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=emerging+enterprise+network+applications'. This URL is likely part of a phishing or scam campaign designed to redirect users to malicious content. The document also exhibits characteristics of a link farm, embedding numerous external links, many of which are to benign Shopify PDFs, but the primary malicious redirector is the key indicator. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact lure, but the presence of the malicious redirector is sufficient for a high confidence assessment.

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=emerging+enterprise+network+applications In PDF document text
    • http://robusaki.acaccentsjewelry.com/uploads/1/3/1/4/131407797/7d35e.pdfIn PDF document text
    • http://wotenulug.placercountyreviewagency.com/uploads/1/3/1/6/131636733/jiruxus.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/1/0438/7163/3563/files/the_black_academic27s_guide_to_winning_tenure--without_losing_your_soul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2779/8943/files/simokita_glory_days.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6989/8914/files/50194716063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5394/8836/files/bidatikadekut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0575/2997/files/rain_bird_esp_me_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5711/8374/files/gutiluro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6589/2245/files/83811982279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8850/2174/files/94658493368.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7230/5817/files/nivesolavugulepikafipela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5129/4628/files/gta_liberty_city_stories_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1288/0541/files/strategic_retail_marketing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7608/4117/files/zarasepoli.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_off00005680.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5680 5368 bytes
SHA-256: e73f251115f15f89745cf8b0525d031d452f69fecf21c5519cc67e3222f4b36e
font_01_sfnt_off000068c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68C0 10664 bytes
SHA-256: 1bd37ea72c51b67a56d470d49cb20d4032dba1ef708fb5aab782b98e6ca6f938

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