Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0e2d52aeb9cf8ac…

MALICIOUS

PDF

50.1 KB Created: 2020-08-09 08:53:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d91bf86e726dfea2411a942e89282379 SHA-1: b1ed4524f583790d0dbbb7d3b5494ed6c5559cee SHA-256: c0e2d52aeb9cf8ac050880d310a4328c0a487fe9faf5e5696f42f7c40cdd1f38
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 identifying a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=asma+fisiopatologia+pediatria+pdf'. This suggests the document is designed to redirect users to malicious content. The presence of a link farm further supports a malicious intent to distribute or obscure the final destination. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=asma+fisiopatologia+pediatria+pdf In PDF document text
    • http://xezup.christianabellydance.com/uploads/1/3/1/3/131379246/2749748.pdfIn PDF document text
    • http://files.blogbyrain.com/uploads/1/3/1/3/131383860/90f9f.pdfIn PDF document text
    • http://files.lasangonera.com/uploads/1/3/1/4/131454791/gejubukaweros-juwaruwezixu.pdfIn PDF document text
    • http://files.allstarclean.org/uploads/1/3/1/4/131482821/2415b96136e1f61.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/1/0428/7699/3695/files/legidaweliv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1075/2663/files/9387284470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5265/5002/files/64954122361.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0899/1140/files/14491320868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6828/3294/files/weloxawedetome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2808/5911/files/calendario_rusia_2020_hora_colombiana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8666/7158/files/gobidolilumakulavolujonav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6299/2795/files/33967172099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/50355602076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93527538138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2664/4125/files/45515736083.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_off00008678.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8678 5348 bytes
SHA-256: e32cb9179861053347ea89922050a576368e93ca6feb6093942e533e99e4e82c
font_01_sfnt_off00009892.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9892 10340 bytes
SHA-256: 37244d0be8ea8dfd6d0f8baf533c0d3b1cdc84ecb976c49b1b6f556db4b63613

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