Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1ac78629958815…

MALICIOUS

PDF

38.7 KB Created: 2020-08-24 01:14:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f9fb9cc2c7eaa009fc1132b11128aa4 SHA-1: f0a15a43429bc397bfe19e3aa4ae24551937e59c SHA-256: 0e1ac78629958815ea6d3ae0a599c8e44ed2c7e83d37f271bd13ff92a37adc85
194 Risk Score

Malware Insights

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

The PDF contains multiple links, including one to a known malicious redirector at `https://ttraff.cc/pify?keyword=format+sd+card+windows+10+for+android`. This redirector likely leads to a phishing or malware download page, disguised as a free download. The presence of numerous PDF links suggests an attempt to create a link farm for SEO manipulation, potentially to improve the ranking of 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=format+sd+card+windows+10+for+android In PDF document text
    • http://files.capitalareaanesthesia.com/uploads/1/3/2/7/132710661/komokixuj_defumozepakage.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/1/0431/6551/5933/files/pizebixoxupexib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6641/6549/files/61957114151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9176/3105/files/nidagikuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1509/2894/files/suwevimalepowexopowexez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0764/6630/files/22446578215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9163/9966/files/tetalavizupuratokegoma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0175/6323/files/rigulazaja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4752/5269/files/cuddle_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4179/1900/files/72610849193.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_off000059a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59A7 5376 bytes
SHA-256: 56aad43975f893596a251ea73742024d497efd1ad3e24d7457e9415bfbe08970
font_01_sfnt_off00006be9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE9 10076 bytes
SHA-256: 0fde143e5dcdcf94f9e21279ea267a6dc3b2ba0dac891d7ba11aada24e00b7a2

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