Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a69698d3c69394a…

MALICIOUS

PDF

44.6 KB Created: 2020-08-25 02:41:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0c57393131a9370a4ee2fc06747b4ac2 SHA-1: 22bc8f5fb2872f6a9003ab962f3fa610a0a0fb6e SHA-256: 2a69698d3c69394ac86ac6a6a3be5925fa92c05f1683089d3a5b0dcdd8896f63
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=endless+frontier+guide+2019'. The document body, though heavily obfuscated, contains text referencing 'Endless frontier guide 2019', suggesting a lure to disguise the malicious intent. The presence of a large number of external PDF links, many hosted on Shopify, further supports the SEO link farm heuristic, indicating an attempt to manipulate search results or distribute content through a seemingly benign platform.

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=endless+frontier+guide+2019 In PDF document text
    • http://zusemanag.brurosa.com/uploads/1/3/1/4/131438304/lefetudi.pdfIn PDF document text
    • http://files.thelemondropshoppe.ca/uploads/1/3/1/3/131398251/4545912.pdfIn PDF document text
    • http://boweko.messyhandshappyhearts.com/uploads/1/3/0/8/130813604/xawumavenivok_riwawaletefeduf_xoded.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/1/0436/9688/1814/files/22798430712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9240/1558/files/64598047269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1060/3677/files/71254095463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0918/7750/files/juvetixodogije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5498/0505/files/gebosirexakigul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/77786935405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9726/7112/files/55953311379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6913/5262/files/95411449176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2147/4714/files/krebs_cycle_worksheet.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F6E 5304 bytes
SHA-256: e99bb9f3e36f45e3eaae61c626c1b825cf249bb591468bc32f1ac32fcbae8378
font_01_sfnt_off0000818e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x818E 10972 bytes
SHA-256: 34deccd153a058a2d2e7af63d446bf20afcfe3feeea686ba970b954f3a807726

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