Malicious PDF — malware analysis report

Static analysis result for SHA-256 28fe30baa538bd29…

MALICIOUS

PDF

44.1 KB Created: 2020-08-16 21:31:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ebfe8e65ed4342eb2bd12224c9ce746c SHA-1: 2390695b3e8af0f05d6195ca33ddc0d3d6f0df98 SHA-256: 28fe30baa538bd29960c80ce5c409cac029f9dfdfbe65261057c33339eac39a8
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector link farm. The primary malicious URL, 'https://ttraff.com/pify?keyword=all+casino+games', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to casino games and the malicious URL, reinforcing the lure. The presence of many Shopify links suggests an attempt to blend malicious content with seemingly benign ones.

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=all+casino+games In PDF document text
    • http://silaw.dionnisproperty.com/uploads/1/3/1/1/131164250/1294707.pdfIn PDF document text
    • http://files.barrosfitness.com/uploads/1/3/0/7/130776592/5602891.pdfIn PDF document text
    • http://files.reneesuniqueboutiqueandmore.com/uploads/1/3/0/9/130969772/vobafibil.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/1/0433/6920/1832/files/lolelogin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2122/8442/files/joe_dirt_sister.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/alimentos_vegetales_ricos_en_hierro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9301/7247/files/nilugoxoragix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4362/6912/files/tamupowabepe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5450/5882/files/business_plan_contents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5407/0951/files/47906133653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5496/4631/files/84317440920.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/nekik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/suxabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3853/0965/files/83275126601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0459/6122/files/graphical_user_interface_design_in_java.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_off00006f98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F98 5012 bytes
SHA-256: 92524c8f312acb04207b40b86745a2d1f244b1b550d7a59cfbba30fd940c360e
font_01_sfnt_off0000808c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x808C 10428 bytes
SHA-256: d9926161238382dd930d461e76f0619c42dccb98fe3cdf180ef0a0eb02fa8739

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