Malicious PDF — malware analysis report

Static analysis result for SHA-256 04f2ef47c02a7a7f…

MALICIOUS

PDF

54.8 KB Created: 2020-08-21 22:32:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a0222e733632b0b20b3bd4bd883975fd SHA-1: b67ce12d39d67bbcdd1e421c05f48e5317d03716 SHA-256: 04f2ef47c02a7a7f835579ddc86b5d62846f4b7c6c4fc8142e40971c4e36c391
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains numerous links designed to appear as legitimate documents but redirect to a malicious domain, ttraff.com. The ML classifier strongly indicates maliciousness, and the presence of many SEO-optimized PDF links suggests a link farm used for phishing or malware distribution. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the phishing lure.

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=hochtief+ag+annual+report+2010 In PDF document text
    • http://files.judiculbertson.net/uploads/1/3/0/7/130740017/mozapabebiw_femunu_fekamibovijelig_pigigurob.pdfIn PDF document text
    • http://jerupo.dogsdowntownva.com/uploads/1/3/0/8/130814328/aad85974904.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/1/0430/8385/8073/files/nokovesedugasuvixa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1907/4712/files/callan_method_book_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5791/3754/files/rectangular_prism_volume_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64830269039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5247/3252/files/wibebuxuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/11199966534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/5198/2504/files/nezogigeser.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0833/4744/files/alfie_kohn_beyond_discipline.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8412/7135/files/excel_cheat_sheet_2017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9270/4408/files/xodawajulusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1551/1968/files/binoculars_icon_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xifadek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dotedijulukamani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0107/0247/files/rogimaxivove.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_off000097ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97BA 5384 bytes
SHA-256: e4ed70dddfc6cae4c72b07e425fb7c8d4ecb50f98c1d86d70f13ff2c83d13ccf
font_01_sfnt_off0000aa01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA01 10444 bytes
SHA-256: fca067f9e98e87ab60b8a5342b48bfbfa7f34b7eeb1aba6ba49398420a2d5785

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