Malicious PDF — malware analysis report

Static analysis result for SHA-256 3488e2a75ec602eb…

MALICIOUS

PDF

46.1 KB Created: 2020-08-09 13:23:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 023398c60877be6235a444c8b6acee35 SHA-1: 74c4e8324bdff2f35dace6d66b0a7746f47f8ca1 SHA-256: 3488e2a75ec602eb63ab722a0b75894b0cfa84df038048e54a9bb88e7e40992c
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The presence of a malicious redirector indicates an attempt to lead the user to a malicious site, likely for phishing or malware delivery.

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=roger+federer+book+pdf In PDF document text
    • http://files.andywalkerart.com/uploads/1/3/0/9/130970008/2051058.pdfIn PDF document text
    • http://jalaga.lccretail.com/uploads/1/3/1/4/131482853/5541176.pdfIn PDF document text
    • http://files.amuse.si/uploads/1/3/1/6/131607712/wadakilu_nekega_mapevu_wodopefo.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/1/0429/1028/5990/files/centralized_air_conditioning_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4379/6645/files/25944595086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1744/4264/files/72567282035.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6275/5490/files/malemimukozib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/big_bang_theory_physical_science.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/pifiremarimupolikumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3463/0554/files/75899922185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1275/8426/files/10620128760.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4305/2953/files/genekimakokeseru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24803542318.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2647/2345/files/35466450310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9983/1966/files/online_to_excel_converter_multiple_files.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6342/7751/files/80296741521.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 2

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_off00006d2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D2B 5000 bytes
SHA-256: bd9f45ab8dad657a558421299179473a7005fca85f87dec5a9d3349609c2b165
font_01_sfnt_off00007e45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E45 14648 bytes
SHA-256: 1796bfc4b972508cbfe00d17337f250ac2fafe8917986cbb7a0f959020c25a6e

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