Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae4a04138456a20…

MALICIOUS

PDF

46.1 KB Created: 2020-08-03 19:56:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9bafde2f8db7d6b1fe0ae5ef53bd217e SHA-1: 62f5e26425217d74ffb7615a35573eb1bb04c9d5 SHA-256: aae4a04138456a20a80797bc3ea10cba21ef993dc0be3cc26b0ed8fd1ead6f25
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=everything+i+never+told+you+novel+pdf'. The document body, though partially corrupted, contains references to the novel and the PDF creation tool, likely serving as a lure. The ML classifier strongly flagged this PDF as malicious.

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.cc/pify?keyword=everything+i+never+told+you+novel+pdf In PDF document text
    • http://files.kara-hume.com/uploads/1/3/1/3/131382841/d32249a01b.pdfIn PDF document text
    • http://files.hcesaladmaster.com/uploads/1/3/0/7/130775172/3eb7fa43d508ad9.pdfIn PDF document text
    • http://files.aberdeennaturalburials.co.uk/uploads/1/3/0/7/130740207/tenuzeledanawoboj.pdfIn PDF document text
    • http://files.naturalcommunitiesofgeorgia.com/uploads/1/3/1/4/131406173/fesenuxutalazane.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6367/0939/files/bibopejaravuvenowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39720928980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0859/6900/files/98921991231.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6891/4838/files/suzuzela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1322/4094/files/41410808115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8543/6830/files/69970362390.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7428/8793/files/how_to_make_a_branch_in_github.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2047/4779/files/23150720393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1458/6521/files/strikethrough_on_discord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6045/3791/files/nuxuvixadedotod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2258/9853/files/webugolotudorimoxu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68C3 4916 bytes
SHA-256: 7cad9c751af61ba82ef6ff87d45791bf7297b7d5824ebda64fe630aa0257892c
font_01_sfnt_off00007982.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7982 10304 bytes
SHA-256: d875159cad5b4ae390b5838e4db4af156fb7cf7cee9545335b3bfcb99ead9c0d
font_02_sfnt_off00009cb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CB6 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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