Malicious PDF — malware analysis report

Static analysis result for SHA-256 4219b7eee48ea66d…

MALICIOUS

PDF

47.9 KB Created: 2020-08-19 12:40:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ba34335df62b3565350f944988f5e5b SHA-1: c7b09e7f526c316f11661489ec70d291ad60c6b7 SHA-256: 4219b7eee48ea66d27fe94622b37fec5b702296449e5bd235dbdbf2f7d3bb1a3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests the document is designed to exploit SEO techniques to distribute malicious content, likely leading to further compromise. The presence of numerous PDF links, including one to 'ttraff.com', indicates a link farm strategy to obscure the final malicious destination.

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.com/pify?keyword=lonely+planet+japan+pdf In PDF document text
    • http://files.gabcmemphis.org/uploads/1/3/1/4/131482886/vakajusu-nerujo.pdfIn PDF document text
    • http://files.ronsgameroom.com/uploads/1/3/1/4/131452904/2142185.pdfIn PDF document text
    • http://files.christineprietoarted.com/uploads/1/3/1/3/131398252/ganutanuvivo.pdfIn PDF document text
    • http://files.primamusiceducators.com/uploads/1/3/0/7/130739443/04c7ec12c0c40d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/8895/6830/files/adobe_printer_download_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0648/3876/files/biography_of_charles_dickens.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1218/5499/files/gabasimadumumezopagevaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9013/1609/files/naval_architecture_and_marine_engineering_books_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0431/9128/files/zutuzujitawajizifoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5266/8830/files/42250000115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7652/5988/files/wafigepizakolin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9171/3447/files/borevabebizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2564/5224/files/51899403527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0183/8757/files/57340473487.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3295/2477/files/14297402936.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B84 4880 bytes
SHA-256: 92c78dd3781df57cf7470644c701470b2077b6f247acf8fad32d3843d56b4809
font_01_sfnt_off00007c39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C39 7148 bytes
SHA-256: d18ee9766243406b0b216295287aec9ff1264866afd3a4a6a1df7195e6d4d40f
font_02_sfnt_off00008f9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F9B 10260 bytes
SHA-256: 2989d7c9f5982ee4e8906d9a4e3c756676e6d0a4d7ebdcc93552be95d98c3ccd