Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2ad5723fed69076…

MALICIOUS

PDF

48.1 KB Created: 2020-08-24 21:20:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 615963bb9d70c8a47b7485851f7a0f23 SHA-1: 6ab72efeb4d5fdbd76577be00fd0c9c0ff09ccd9 SHA-256: f2ad5723fed69076feee1cabf91d9554e1edd132bfd349982c10635ce013fe50
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=algebra+forming+and+solving+equations+edexcel+answers', suggesting a lure to educational content that redirects to a malicious site. The presence of a visual download button further supports a social engineering attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=algebra+forming+and+solving+equations+edexcel+answers In PDF document text
    • http://files.southpasgirlscouts.org/uploads/1/3/2/7/132740274/3423123.pdfIn PDF document text
    • http://files.staugustinesmorrow.org/uploads/1/3/2/6/132681516/4062660.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/1/0464/8088/3880/files/google_sheets_ios_select_multiple_rows.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9059/2422/files/bullying_acoso_escolar_rosa_serrate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2720/2205/files/rifafevamerudukoduvozom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6795/5610/files/zokolazozekewizefevovokub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5749/4693/files/ark_simple_rifle_ammo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3278/6597/files/34191897637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6459/8434/files/todewalasozalasezofikuge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9038/5821/files/blackpool_council_housing_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0990/8637/files/five_causes_of_land_pollution.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 4

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_off0000779c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x779C 5816 bytes
SHA-256: 80d9543ec3eff5ec62afda3adc5bc4787faf78e196920bdf8681a738920eba3a
font_01_sfnt_off00008b5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B5B 12596 bytes
SHA-256: 811e97e1a7fdfa3e21a308a6226f190e197d7c96d9ab3456a6f304566dc73386

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