Malicious PDF — malware analysis report

Static analysis result for SHA-256 aee9b266ea7e523b…

MALICIOUS

PDF

54.2 KB Created: 2020-08-03 22:41:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fb02029e1846a7634b96dda195f76350 SHA-1: b82f528d37ed768271910567351085dbe7c9603f SHA-256: aee9b266ea7e523b7ce14bbbb98845664546e0f9ba3e540143d9e3a90bfc4872
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one critical heuristic identifying a redirector link to 'ttraff.com'. This suggests the document's primary purpose is to lure users to malicious sites. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a redirector and a large number of external links points to a delivery mechanism for further malicious 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=carreteras+de+mexico+pdf In PDF document text
    • http://files.ibisregalia77.com/uploads/1/3/0/9/130969659/3337e092.pdfIn PDF document text
    • http://files.iwai-izmir.com/uploads/1/3/0/7/130776809/buvixexonebabop-botewejoto.pdfIn PDF document text
    • http://files.english.euregiolanguageservices.eu/uploads/1/3/1/4/131452811/3799635.pdfIn PDF document text
    • http://files.polyma.dk/uploads/1/3/1/3/131380467/lozekab.pdfIn PDF document text
    • http://files.ocalaqueenofpeace.com/uploads/1/3/2/7/132740925/vaxoloma.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/1/0432/9416/3109/files/rokabanosibakamig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9014/0581/files/duwugirejovunavomubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8179/3698/files/viremowapipaxunemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8998/3640/files/vupigarubatapem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2732/3301/files/nazijerek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1459/4464/files/tebixexewunuvulowox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pegumi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1806/6843/files/ranuzuwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7833/6166/files/jimizukopom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2670/1723/files/saluzadumavelajifavo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8466/1407/files/29813274573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3271/4139/files/62850865478.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_off00008a7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A7B 5244 bytes
SHA-256: 7863b150291026ee86fcd4a75177794650af50bce66fe2cbc2ba145c191e02ad
font_01_sfnt_off00009c3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C3B 15512 bytes
SHA-256: e3f7c81fd65a2f8dff20af1750522885f390029c6c1251a3c6b1f58cc33ad1bc

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