Malicious PDF — malware analysis report

Static analysis result for SHA-256 90835376d14d65e6…

MALICIOUS

PDF

40.2 KB Created: 2020-08-03 01:50:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c6e3e678250a4c903d1e533689cc4c8a SHA-1: e125dd3d75aa16cb83bcb79fa7447558019bb050 SHA-256: 90835376d14d65e62aad040cd412f7f3b20301d8cda7a6a42c094a1c790cad61
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 firing indicating a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to an 'Arizona driving manual' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious nature of this PDF.

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=arizona+driving+manual In PDF document text
    • http://files.macombmedicalwellness.com/uploads/1/3/1/6/131606789/nujuwit.pdfIn PDF document text
    • http://files.lenaherveybaycelebrant.com/uploads/1/3/1/4/131410234/jilejatozoga.pdfIn PDF document text
    • http://files.alicemcoleman.com/uploads/1/3/0/7/130776162/4726009.pdfIn PDF document text
    • http://files.oneworldkorea.com/uploads/1/3/1/4/131407445/916006d9ed1719.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/1/0432/4953/3088/files/75971666265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4701/files/59342404680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1645/3272/files/61138564763.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4745/files/vajumexarofezoguzazupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8460/1758/files/76951501851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2670/0696/files/tolarijosiwavuzudum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6353/2951/files/13724645586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0292/0086/files/xupikikaweduxuruledugaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8862/5316/files/87776624703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/76773285336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3353/2315/files/real_usa_address.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1560/1314/files/your_recovery_server_could_not_be_contacted.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1042/4985/files/ruwota.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 3

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_off00006058.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6058 5068 bytes
SHA-256: 1e077103a399c1f2ed68d7e9d375353725913316a052b3f2d02240074958f465
font_01_sfnt_off0000718e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x718E 10072 bytes
SHA-256: d67fae036703d1579aa4e197347d3d074cd978e9fc294589c8bc1f392317e8a8

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