Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb96934fc8463fdd…

MALICIOUS

PDF

67.1 KB Created: 2020-08-13 17:25:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d2ce80b11b6db2f080d9687db380be17 SHA-1: 4685e4137e5b3c05e337090ba0992e2d860963d3 SHA-256: bb96934fc8463fddccc6b4e044850845c1a8b1ee4a4d8d76f207a3adde1b070d
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 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to a phishing or malware distribution site.

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/wb?keyword=rollei%2035%20manual In PDF document text
    • http://files.diananeunercounseling.com/uploads/1/3/1/0/131069860/8189708.pdfIn PDF document text
    • http://files.bumblebeehedgies.com/uploads/1/3/1/4/131438299/6204006.pdfIn PDF document text
    • http://bepena.nakedyogadallas.com/uploads/1/3/0/7/130738731/xofilox_gadilubagefo_kigokubawiwi_sakepuxo.pdfIn PDF document text
    • http://files.andrewmichaelart.com/uploads/1/3/1/1/131164474/6364c0caf0f775f.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/1/0431/1131/7658/files/37751601138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3018/4087/files/getememuliv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1732/9064/files/mobile_accessories_names_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5743/8101/files/algo_trading_and_dma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6113/2968/files/pepalalivesopaxesawoxakap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/53191033256.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2561/2450/files/68403908919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/slavery_in_american_literature.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2667/7913/files/werukufasozadapugojafumot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8140/0469/files/64043239990.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000afca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAFCA 4852 bytes
SHA-256: 22b72d7cf0223f72f181e26ec40adfa3bc48e5fb0d7d05df5952e663712cef59
font_01_sfnt_off0000c03f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC03F 11852 bytes
SHA-256: 19c82d64b0c48026cc8d68d7934b9eba04683633877143a04e4cdf45b3fe7a2d
font_02_sfnt_off0000e8c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C1 16204 bytes
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501

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