Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6ead5ccf65c3da5…

MALICIOUS

PDF

42.2 KB Created: 2020-08-20 12:48:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c686dd531814724bceb46f1001fdedf3 SHA-1: 425c800101f11f0e572bfd4174dd4468e745fd91 SHA-256: a6ead5ccf65c3da5ff49ae2106bb5dce9f9f0bc0d986baf8da93ebd1ee6ffc67
194 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=enhance+shaman+guide+classic', which is also listed as an unknown URL. This suggests the PDF is designed to redirect users to a malicious site. The presence of numerous Shopify links, some confirmed benign and others unknown, indicates a link farm strategy, likely 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=enhance+shaman+guide+classic In PDF document text
    • http://kegitil.mariahelliott.com/uploads/1/3/2/6/132682663/povazunuwatoxulo.pdfIn PDF document text
    • http://mapat.thechocolatebar.shop/uploads/1/3/1/3/131383664/manefo.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/1/0434/2956/0481/files/74602694437.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9620/2661/files/maritime_abbreviations_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4245/3157/files/solues_isotonicas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8691/3431/files/64828759769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3847/4393/files/6924095128.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6576/1176/files/20371899561.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0892/5602/files/31410942709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1636/2920/files/epidural_anaesthesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7016/8986/files/91318935417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2831/5293/files/78547307125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1103/0683/files/29826871116.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7435/5351/files/damodaran_valuation_spreadsheet.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67EB 5216 bytes
SHA-256: dc42274ed6fbe20bc6744934f8a1554fbb871772226f0f44bb9d10bc7e4b79bc
font_01_sfnt_off00007978.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7978 10228 bytes
SHA-256: 9f4d186c56ae3c66ac7e119ca828ebfcf7fe8102616ed78264dfa6a4c7c0b102