Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc042532adbc6d98…

MALICIOUS

PDF

38.4 KB Created: 2020-08-23 08:39:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d22adf281968e4781a7fd315349bef3b SHA-1: 6978586c46b91bd9a6e2cf67632bbe7d3ed8f45f SHA-256: cc042532adbc6d98af66ba19be55576b0cef5a96df10ed892d11c798d9ea2eff
194 Risk Score

Malware Insights

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

The PDF contains embedded links designed to redirect users to malicious infrastructure, masquerading as an accident report. The heuristic firings indicate this PDF is a redirector and part of an SEO link farm, likely for phishing or malware distribution. No scripts were extracted, but the presence of embedded URLs and the ML classifier's high confidence suggest a malicious intent to lead users to harmful content.

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=accident+report+today+pretoria In PDF document text
    • http://files.youniqueeventdesigns.com/uploads/1/3/1/8/131871414/4059920.pdfIn PDF document text
    • http://lonozelix.mummamovement.com.au/uploads/1/3/2/7/132710621/9776474.pdfIn PDF document text
    • http://xawumo.elizabethcyr.com/uploads/1/3/1/4/131453872/nogasasesesan-wezavukesipa.pdfIn PDF document text
    • http://files.jameswestdavidson.com/uploads/1/3/1/3/131381332/sigesunoxex-basixif.pdfIn PDF document text
    • http://files.sonescs.com/uploads/1/3/1/6/131606807/3455393.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/1/0431/9117/3278/files/93610209506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7045/5957/files/13778107026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5426/0633/files/cents_symbol_in_word.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5409/1675/files/c_csv_writer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3247/6838/files/nemofixagojanirad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1025/1176/files/utorrent_free_movies_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7904/9121/files/34549782394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/spanish_learning_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2664/8985/files/tinkers_construct_modifiers_1._7._10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/ladeworamam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/6891/5617/files/inert_pair_effect_chemguide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9917/5579/files/classroom_seating_chart_template.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005067.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5067 4948 bytes
SHA-256: 6704a067e51dcec1a81fe17dba679e77ebfc5c1b056469e42aed8d5a60cb59ea
font_01_sfnt_off00006139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6139 2392 bytes
SHA-256: ddfb70b97d7d9c88250288b8ad59685d0c00373885a0cc42592d5ca668ac4044
font_02_sfnt_off00006ab2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AB2 9796 bytes
SHA-256: bec5da6d28b9b9248daec4c11bf327a226ff4ae80bc3be1b38b560d027349e15