Malicious PDF — malware analysis report

Static analysis result for SHA-256 68af0ead55c772a8…

MALICIOUS

PDF

41.3 KB Created: 2020-09-09 18:37:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 45c1cc945892c6259aa7b3de4ff0b24e SHA-1: 9cbabede5b0980bdfbaa85276b1e20b1291da588 SHA-256: 68af0ead55c772a8beedd68d38ca46c3f589531c2e2fd2429aefb6f68d374d61
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains numerous embedded links, many of which point to redirector infrastructure. The document body, though heavily obfuscated, contains a reference to "The south african national anthem" and a URL that appears to be part of a link farm designed to attract traffic. The presence of multiple redirector links and the ML classifier's high confidence score indicate a malicious intent to direct users to harmful 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.link/wix?keyword=the+south+african+national+anthem In PDF document text
    • http://files.eastonscoaches.co.uk/uploads/1/3/0/7/130739169/sixawikewose_belelaga_lemode_sevopike.pdfIn PDF document text
    • http://zonopa.selapfp.org/uploads/1/3/2/3/132302956/7420866.pdfIn PDF document text
    • http://files.wargamemodelsinohio.com/uploads/1/3/1/0/131070940/tizevaxafixa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/5926b4_dfe4526b894f42df9049cdd7d4d3342e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/909b15_6ee182bfa1cd4eda9776279df584a4f3.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/c2007e_03f85c93756e4e6691eb49ed6d18b0ed.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/ca300b_e945c05427d544bf9447d668c30ac79a.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9d7ad9_ecde143c4a50496f9cdb4c8624490a54.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/0912/1960/files/33545544580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4959/1718/files/xalemuzafog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5643/8165/files/ruvamasesexekesufimefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7611/4837/files/egyptian_cotton_sheet_sets_queen.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_63be9aad80654b8fbedc3e38fa9dc152.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d2759c_f3e349e300a3418bbff863a3983026e4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b30cf0_733de30f1e4c4f0c9c321772ccac07a3.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/205ae4_32c6ace48c8a467bb967532f9439d723.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_off000064ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64AD 5072 bytes
SHA-256: e4c1112b4d42858b2ca23d64fe65b86e535161bed77f2086bbc97f652df581fb
font_01_sfnt_off000075c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75C0 10144 bytes
SHA-256: 74f2330e8d6f8da7d43d9618f02f1c956d2cf228ba4e1d551fbdfb41eab57b53

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