Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fcf64dab6023616…

MALICIOUS

PDF

36.6 KB Created: 2020-07-10 08:19:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-08-25
MD5: b2f1e8dcf5f4c83a608137c3db2743c4 SHA-1: 417267ebecc11ca659776d84c97dc91140adcc85 SHA-256: 0fcf64dab60236164d6c81a9b82dca18020d5ed15f787d0a820b64a718b4a1b4
184 Risk Score

Malware Insights

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

The PDF contains a deceptive lure, presenting itself as a 'Ford kuga owners manual pdf' to trick users into clicking a malicious link. This link, 'https://ttraff.com/wb?keyword=ford%20kuga%20owners%20manual%20pdf', likely redirects to further malicious content. The document also hosts a large number of other PDF links, suggesting a link farm designed for SEO manipulation or to distribute malware. No scripts were extracted, but the embedded links and the ML classifier's high confidence indicate malicious intent.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/wb?keyword=ford%20kuga%20owners%20manual%20pdf In PDF document text
    • http://files.montessoricenterofjackson.org/uploads/1/3/2/7/132712199/6209114.pdfIn PDF document text
    • http://files.reginamacedo.com/uploads/1/3/1/3/131398264/6023834.pdfIn PDF document text
    • http://files.jttreeserviceorangecounty.com/uploads/1/3/2/6/132681204/02b139e627ddeaa.pdfIn PDF document text
    • http://files.yaelbenshalom.com/uploads/1/3/2/6/132682883/tupel-bamijoko-jabebuzepijapa-zawubon.pdfIn PDF document text
    • http://files.homefuneralnetwork.org.uk/uploads/1/3/1/3/131383358/mologulape_relinig_widuviso.pdfIn PDF document text
    • http://files.segrosspto.org/uploads/1/3/1/3/131379248/8889662.pdfIn PDF document text
    • http://files.soxoflove.org/uploads/1/3/1/3/131381204/857b9109bf.pdfIn PDF document text
    • http://files.motorcitybrewtours.com/uploads/1/3/1/4/131438299/a969ee955cfa5.pdfIn PDF document text
    • http://files.soundsoftheseacoast.org/uploads/1/3/0/7/130739690/41353fe3290c6d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://miruziburofu.files.wordpress.com/2020/06/73497670209.pdfIn PDF document text
    • https://juzifotexi.files.wordpress.com/2020/06/basomaziwaxojesasimer.pdfIn PDF document text
    • https://vonubese.files.wordpress.com/2020/06/lunibusabaturixipabuso.pdfIn PDF document text
    • https://gevazijad482323003.files.wordpress.com/2020/06/32576137223.pdfIn PDF document text
    • https://wokerokerar.files.wordpress.com/2020/07/dumufuxid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59854739703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tolipokegegami.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78299439052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75901524911.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5098 5228 bytes
SHA-256: e642d0eceb7bdc801ffcfb0f36c47f59c0d0b0ec994d03e668423989b61e68d8
font_01_sfnt_off0000625d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625D 10304 bytes
SHA-256: bfb6ee1a73d04b4614003517b0cbbda2911ecc26f69c56831aa291305d87f76c

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