Malicious PDF — malware analysis report

Static analysis result for SHA-256 76a79bcbc75872f1…

MALICIOUS

PDF

48.7 KB Created: 2020-08-11 16:37:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 560273cac5ae9fe95d2e1e656f0bdac8 SHA-1: 9bb468e11841b4e1dd44afa2cd5c63ce84a38357 SHA-256: 76a79bcbc75872f11b6604c2a797bdbcd4121a2537f9de4021fe5b86c64dbe34
194 Risk Score

Malware Insights

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

This PDF document 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. A critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=anne+rice+la+belle+au+bois+dormant+pdf', suggesting the primary purpose is to redirect users to malicious sites. The document body also contains this URL, reinforcing its role as a lure.

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=anne+rice+la+belle+au+bois+dormant+pdf In PDF document text
    • http://files.bridgeandcivil.com/uploads/1/3/1/4/131407227/14ebeb.pdfIn PDF document text
    • http://gukaduw.one21i.com/uploads/1/3/1/4/131438474/pexireretot_zejipevefavibat.pdfIn PDF document text
    • http://files.vermontcustomfitness.com/uploads/1/3/2/7/132740586/3521859.pdfIn PDF document text
    • http://gonix.webuyjunkcarstrucksvansingeorgia.com/uploads/1/3/0/7/130776433/a01643.pdfIn PDF document text
    • http://kexav.stocktonkiwanis.com/uploads/1/3/1/3/131384429/5993658.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/1/0433/1631/4277/files/vunuma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6237/7113/files/media_queries_for_iphone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7106/8577/files/11639687049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8581/6218/files/kidogibuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8157/3279/files/buwov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94448736580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9515/5105/files/cellule_staminali_tumorali.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/recovery_server_could_not_be_contacted_mojave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0044/7655/files/sukivigiweludovedox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9148/3032/files/18109496519.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7390/4545/files/79444090102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8123/6634/files/64615222498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2522/6152/files/69948429631.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008007.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8007 5432 bytes
SHA-256: d6d1eb9e86362976bead0ad93cfbf3b05764cfc3c79e2017713a664b3f5cbb0e
font_01_sfnt_off0000924f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x924F 10368 bytes
SHA-256: ea1ac83efbd69d7432f9db7bdbcef4c3ca2529c52dfd077a1bd83419fcc429fc