Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ec28f6e5fe50bd4…

MALICIOUS

PDF

51.3 KB Created: 2020-08-07 02:13:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2506dcf48261af7ec01ddc3a3d686994 SHA-1: ad4f8076ede4fb6b52f237732aa2d5f956f7564b SHA-256: 6ec28f6e5fe50bd40a7802d9fe5b32d4222eb6c77677ae3abea8b18df135b66f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to a redirector service known to host malicious content. The primary redirector URL, 'https://ttraff.cc/pify?keyword=bushcraft+attitude+magazine+pdf', is used to obscure the final destination. This indicates a phishing or scam attempt leveraging SEO link farming techniques to distribute malicious content.

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.cc/pify?keyword=bushcraft+attitude+magazine+pdf In PDF document text
    • http://files.fiveclays.com/uploads/1/3/1/4/131406086/seratomuj.pdfIn PDF document text
    • http://files.thesacredmiddle.com/uploads/1/3/0/8/130874317/5b886ef9cf6.pdfIn PDF document text
    • http://files.bestwoodmyanmar.com/uploads/1/3/1/4/131453998/8706778bf0c.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/1/0436/9140/9558/files/87367059578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4940/9960/files/differences_between_arbitration_and_mediation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8054/8503/files/bomogobaguxizod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4164/3928/files/mipofupegavubizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/samumugudesiligopozakudo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2308/1378/files/davapakojasufuzutow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1055/4016/files/windows_xp_sounds_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/70647342024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/nezarokonelasutuduba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8894/5064/files/xafelatelexudaxejidapovom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4737/7301/files/el_caballo_de_troya_jj_benitez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/1517/2259/files/administrative_office_management_book.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: bestwoodmyanmar.com 3 samples

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_off00008916.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8916 5636 bytes
SHA-256: 64e748c6dc1c524cc8fea900748ef7e0ec18613c3dde13f7e0c16b17bec1c802
font_01_sfnt_off00009c26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C26 10604 bytes
SHA-256: a5a335a7bc97df045c55666ea4736cddd59ac9315ee6d7d7b188faf39a715aad

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