Malicious PDF — malware analysis report

Static analysis result for SHA-256 b059de367e36aff7…

MALICIOUS

PDF

41.1 KB Created: 2020-08-21 08:42:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc5e1ddfdab9be22d78ebafba97d5bde SHA-1: b589adc05818937397b032519252e19946d98e13 SHA-256: b059de367e36aff79b099c78f1af8b06948a102afc0ccd070684b522c775d949
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and references 'Bosch camera software', suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to distribute 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=bosch+camera+software In PDF document text
    • http://mufuzudil.martinespada.net/uploads/1/3/1/4/131437987/jirebosaxixum.pdfIn PDF document text
    • http://files.authortalk.audio/uploads/1/3/1/4/131408100/xupikupataxisu-xanadisabizis-wuwepo.pdfIn PDF document text
    • http://files.vrm365.com/uploads/1/3/0/7/130738914/3611625.pdfIn PDF document text
    • http://files.virtuosoacts.com/uploads/1/3/0/9/130969990/4aa9e23.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/1/0434/6426/1797/files/rixol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7643/5612/files/90413769853.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6655/5556/files/17047850137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5596/4569/files/wiralufetobowefagiguzez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2278/6466/files/31863273964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0159/3502/files/acido_folico_defectos_del_tubo_neural.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6044/3813/files/mathematics_for_economists_by_taro_yamane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/6389/4173/files/job_application_form_format_in_word.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9755/5093/files/blogspot_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/rewawuxawo.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
🗂 Part of campaign: myvirtualvacations.net 3 samples

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_off00006351.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6351 5232 bytes
SHA-256: 812010738ebe6dd8ff52f3a20cfe37e1ad836efc526a18cea3ca7705d7b88faf
font_01_sfnt_off00007505.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7505 10188 bytes
SHA-256: cfc7d021b182145e1d67d420824e293c1ce464a210eb39dc27cd16f443f64291

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