Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f33e542a98cca23…

MALICIOUS

PDF

39.0 KB Created: 2020-08-28 10:53:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1851cdfaccd21210eaf053d6f68f3a65 SHA-1: 68d42f014486cccb0ce2c264605b62ac4b3b954a SHA-256: 7f33e542a98cca235299c6711a43db02fc70bac3f3f90be9c8b9bea8a3323b50
234 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious SEO link farm, identified by the 'ttraff.com' domain. The document body, though partially corrupted, contains text suggesting a lure for 'accessories' and includes the malicious URL. The presence of numerous PDF links and a critical redirector link firing indicates a phishing attempt to drive traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=acess%25C3%25B3rio+para+auscultadores+de+tele In PDF document text
    • http://files.stonehousegallery.com/uploads/1/3/1/1/131163683/baxazo.pdfIn PDF document text
    • http://files.vivi-design-studio.com/uploads/1/3/1/4/131406114/nikuk-monedonogama.pdfIn PDF document text
    • http://files.coca-pills-drugs.com/uploads/1/3/1/4/131453577/4af94600.pdfIn PDF document text
    • http://files.paulgoldberg.com/uploads/1/3/1/4/131437932/6622339.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/1/0432/1991/0813/files/.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4066/7810/files/zavon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7089/7824/files/40736291939.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9703/0817/files/quality_crops_bundle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3698/2943/files/59742546467.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8113/0394/files/reading_capital_althusser.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7097/0263/files/72593891618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/zawufada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1202/1657/files/quaternary_industry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8049/8841/files/bojomolaj.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: aquabydesign.co.uk 6 samples

Related samples 4

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_off00005495.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5495 5192 bytes
SHA-256: 03f282709d6bbd4c4bb0414feb0e64eb26b7029607a51d850967121dc834deb8
font_01_sfnt_off00006600.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6600 12608 bytes
SHA-256: dfe42cae81e4b0b0364bf41ec20d8a5191775ddca980aec5a05df0d2e1c4d066

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