Malicious PDF — malware analysis report

Static analysis result for SHA-256 de0d72bd5479a15c…

MALICIOUS

PDF

43.8 KB Created: 2020-08-25 15:10:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f871c1c503692af63c1c6e5b920d7542 SHA-1: 53154e51b46c11ac9c065556632f574cd0d2bc13 SHA-256: de0d72bd5479a15c3eb751072b8d99689b7874bfb04dc0ace1b334814210c004
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body also explicitly contains this URL, along with numerous other links to Shopify-hosted PDFs, suggesting a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves luring the user to click on the malicious URL, which is likely part of a phishing or malware distribution chain.

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=les+blagues+de+tonton+liste+pdf In PDF document text
    • http://files.saintalphonsusschool.org/uploads/1/3/1/8/131857071/b41fba5.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/1/0431/8606/1480/files/56896153785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/8613/8792/files/libro_caballo_de_troya_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3182/1468/files/davis_vantage_pro2_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0879/4530/files/some_applications_of_trigonometry_class_10_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/4014/5313/files/almanach_des_sorcires_gratuit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8683/2035/files/48111789715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0697/5382/files/sabuxusaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5840/5271/files/1997_seadoo_gtx.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3058/5250/files/2553012749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4082/3706/files/bokeh_effect_wallpaper_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/kolewuletokokixuwoxago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9102/4280/files/morevaf.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C4E 5076 bytes
SHA-256: e0c0ecf32667077f1187fd3cc9e9649a50e8ecb7692146fb94c75af1adb63b05
font_01_sfnt_off00006d9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9F 12452 bytes
SHA-256: 14e75faf22dcacb89e142bc97c10d6a5d4224b39560703c154f7bdf5a7503fec
font_02_sfnt_off00009466.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9466 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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