Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c6d8a289b1f3497…

MALICIOUS

PDF

42.2 KB Created: 2020-08-26 23:29:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6ea2279eb8c5f660e898a5fb00e092ff SHA-1: 1140ea0226f6cedd1925c060637840101e0cf3c6 SHA-256: 2c6d8a289b1f3497bd001e19c00f7612c139210d8398031870efb7be0a91bedc
202 Risk Score

Malware Insights

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

The PDF file contains embedded links that lead to a redirector service known for malicious activity. The document body and heuristics suggest a lure, likely a fake ebook, to entice users to click the malicious link. The presence of a link farm further indicates an attempt to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=breatheology+ebook+free In PDF document text
    • http://files.elbuencacao.com/uploads/1/3/1/4/131409074/f2006a83c95f.pdfIn PDF document text
    • http://files.whatwouldateacherdo.com/uploads/1/3/1/3/131381044/falogazonulijaw.pdfIn PDF document text
    • http://files.andieileenphotography.com/uploads/1/3/1/3/131384424/nabesukebomepag-vasenur-nadesugowog-kerusabuzorol.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/1/0440/0339/3694/files/hey_soul_sister_ukulele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4479/8613/files/rokijixim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9265/5780/files/tosip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3936/files/simple_business_continuity_plan_template_australia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3271/4139/files/49857858819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0237/9939/files/48495094145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fonufefijosogigu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2888/8227/files/keto_diet_recipes_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0921/9492/files/suketivedagejefaxadojola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5647/1970/files/fnac_report_analysis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.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 5

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_off000067eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67EB 5204 bytes
SHA-256: cc8b1a2efd44ca455efea569147dd36d2ad9b5d1be7e98855e7d85955c8bece8
font_01_sfnt_off000079ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79AC 10188 bytes
SHA-256: e40e0c1d40b92a9b12ae40e4daf16443562eda26ce18330fdcbbdc2457717324

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