Malicious PDF — malware analysis report

Static analysis result for SHA-256 71b305bcf2ede7d7…

MALICIOUS

PDF

43.1 KB Created: 2020-08-11 01:42:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ef448a33440396465ecf70edf7e1dd63 SHA-1: baca18b3f0df92757c8fbc426e0201c2833bf92d SHA-256: 71b305bcf2ede7d72324c97aea9bbd2d36434a3b42b5b239198c7e00d8b17b3e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a malicious URL, identified by the 'ttraff.com' domain, which is flagged as a malicious redirector. The document body and embedded links suggest a phishing lure related to 'Ipad pro apple pencil pdf markup', aiming to trick users into clicking the malicious link. The presence of numerous PDF links, many pointing to Shopify domains, indicates a link farm designed to obscure the malicious redirector.

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=ipad+pro+apple+pencil+pdf+markup In PDF document text
    • http://gerebise.conleytrack.org/uploads/1/3/0/7/130775519/7f4116.pdfIn PDF document text
    • http://resijil.shoggothkinetics.com/uploads/1/3/2/7/132710657/tilopiwipozosuw-lodejilunawunob.pdfIn PDF document text
    • http://files.aliciafink.com/uploads/1/3/0/8/130874496/e761e6ef74.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/1/0429/3551/7337/files/bisilofizagoranedex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1197/3026/files/45851299329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8702/8639/files/89041886122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2912/6550/files/84652119633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7055/3238/files/61948166860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/4458/8959/files/bangalore_central_university_syllabus_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1345/1430/files/different_ages_in_history.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0937/4368/files/bearded_devil_pathfinder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3066/6651/files/adobe_photoshop_cs5_tutorials.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9454/0452/files/subefapomodexolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3633/4501/files/pofizoviwigidomitagatavor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2745/6419/files/auto_data_direct_phone_number.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/mumikonifapuxalawujaxu.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 1

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_off00006ba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA0 5124 bytes
SHA-256: 9ad577142a3a1885126c4d86e7f6815446fcc37eabaaaf020bdafbde552707fe
font_01_sfnt_off00007cf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF1 10076 bytes
SHA-256: 1cdfbfb059e7b6655a929f48de24cea4ff261a005146c7374a67e30fbbf15332

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