Malicious PDF — malware analysis report

Static analysis result for SHA-256 6062c75c0ccaa359…

MALICIOUS

PDF

34.8 KB Created: 2020-08-25 04:24:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3deef045e87ed675492d57e581f98c5e SHA-1: 6b7b54ace763bce98eea2f567e1e4b120af64504 SHA-256: 6062c75c0ccaa359780187b916099989315e98db8e1c0bed523c100a162da29e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the document is designed to direct users to malicious infrastructure, likely for phishing or malware delivery.

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=bol+tere+mithe+mithe+song++dj In PDF document text
    • http://bosel.jobabylures.com/uploads/1/3/1/3/131379552/mubexebazixuxolur.pdfIn PDF document text
    • http://files.thegreedycouple.com/uploads/1/3/0/9/130969192/e916aee.pdfIn PDF document text
    • http://files.pawsitivedogtraining.org/uploads/1/3/2/3/132302733/jusedafimapapakinuj.pdfIn PDF document text
    • http://files.hellokels.com/uploads/1/3/2/6/132680905/119008.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/1/0434/6406/5190/files/asymptotic_notation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4003/8298/files/sincerely_me_sheet_music_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/ssa-_454-_bk_04-_2014.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5812/5207/files/17671279359.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3519/7602/files/lujuvevoloboxaze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1817/0018/files/66369708243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6057/5894/files/xideludaniranunezuvad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/marketing_concepts_and_strategies_7th_edition_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/6960/3739/files/62563983495.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 8

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_off00004b4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B4A 5156 bytes
SHA-256: 5f4a03a91ac2048c18ea0e5a6f77c8583afb36faa9cda2ab3f065616e622a287
font_01_sfnt_off00005cad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAD 9924 bytes
SHA-256: 4d672e3386889acfe691c40e2e98daa1ee99efcdc77fa332b2c8cf398c2cd901

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