Malicious PDF — malware analysis report

Static analysis result for SHA-256 26bad015a338c2b3…

MALICIOUS

PDF

44.1 KB Created: 2020-08-01 21:01:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dcf547214bdcb997b95e158fb0ec3159 SHA-1: 54efcbdd0f12615292322693437dc3be3e475a64 SHA-256: 26bad015a338c2b3765c63481f20dc5e5478277dca8702c1ecb0434a2ea6b335
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=bot+emoji+discord+copy+and+paste'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same malicious URL, suggesting it's the primary lure.

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.ru/pify?keyword=bot+emoji+discord+copy+and+paste In PDF document text
    • http://files.oxfordstation.pl/uploads/1/3/2/7/132740462/6a25ceab044c5ea.pdfIn PDF document text
    • http://files.ccmein.org/uploads/1/3/1/6/131607063/pofekanofafozejubase.pdfIn PDF document text
    • http://files.perwangel.co.uk/uploads/1/3/2/3/132302759/sijuv_dozelefoj_jiloraxa_buwevobosa.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/1/0432/2502/2621/files/83977038317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0660/7012/files/moremetatudawozaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7623/1072/files/52489948945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6769/5509/files/rofutesanuzobosox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5962/5627/files/13192010407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5453/8658/files/54327594675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57727452667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7101/2006/files/banorurubosube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2341/6987/files/nitosiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7888/5280/files/71650053257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8414/5049/files/kodi_puerto_rico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8896/0919/files/29499093020.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
🗂 Part of campaign: brigidvidler.com 6 samples

Related samples 8

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_off00006d69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D69 5412 bytes
SHA-256: c86afa68f1121e763d5f383b26cc29a7d86f36cbe9235973846b7282b87bddc8
font_01_sfnt_off00007fc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC9 10528 bytes
SHA-256: b5903ad6bebe06e5d8e71c6a710844dfe86fcee3aa9aaaed4f8b6c18f3758a71

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