Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e34faa7398e70a3…

MALICIOUS

PDF

40.1 KB Created: 2020-08-20 09:20:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1987370f26510c8c4710cf7813f3c28a SHA-1: d0496e5dbaf7b2b48dacd3a32fbc9671e86d4b59 SHA-256: 6e34faa7398e70a35d8b18c65b7f236536dbfb837db013d92114fd29bcd1aaf2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to mimic legitimate content. The primary malicious indicator is a redirector link to 'ttraff.ru', which is flagged as malicious. This suggests the document is designed to lead users to potentially harmful websites under the guise of providing requested information or downloads.

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=strengths+and+weaknesses+essay+format In PDF document text
    • http://files.enelectuas.com/uploads/1/3/1/1/131164488/tuporugosusukeg.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/1/0431/0558/3266/files/63106896263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7070/8125/files/xapukabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2778/4095/files/wivikofarizuwogufepojadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3305/8715/files/lawyer_business_card_psd_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5955/2155/files/ghost_recon_breakpoint_game_informer_review.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4926/3005/files/tisimefadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3641/6936/files/adobe_photoshop_cs6_cracken.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3751/6191/files/88182948604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6534/3141/files/kitchen_vocabulary_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5507/7786/files/bhagavad_gita_shlok.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 3

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_off00005db2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB2 5648 bytes
SHA-256: 124c9dc07e70485a5cd5745d094ea8891b8a1cedace6e74e48c46e2138ed6d24
font_01_sfnt_off000070da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70DA 10268 bytes
SHA-256: 04bf86c84a7173cbf1014da3364c72aec49230fc501c45e81ed14259ca5c221e

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