Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce54651dbadadc14…

MALICIOUS

PDF

32.1 KB Created: 2020-08-19 05:24:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c55ef1e4ce354f7facc9944bed6fcde5 SHA-1: e12bbf164f39890cd6504caf8d3598061992bc46 SHA-256: ce54651dbadadc1473c05f2d36e9e6200be473ca0f9ae668e9bf65ddc693b767
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as an educational resource. The ML classifier strongly indicated maliciousness, and the PDF structure includes a large number of external links, many pointing to Shopify domains, likely part of a link farm to improve SEO for malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=algebra+2+logarithms+test+pdf.

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=algebra+2+logarithms+test+pdf In PDF document text
    • http://files.oliviamarcellay.com/uploads/1/3/1/8/131856234/57185dc5c49d99.pdfIn PDF document text
    • http://files.assuredaquatics.com/uploads/1/3/2/6/132696210/vegaziru.pdfIn PDF document text
    • http://files.geyserlandcatclub.co.nz/uploads/1/3/1/4/131453034/gabiruremuzamef.pdfIn PDF document text
    • http://files.gravelgrinderchallenge.com/uploads/1/3/2/3/132303269/1acb93e43f97bdc.pdfIn PDF document text
    • http://files.gabrielfadale.com/uploads/1/3/1/3/131380000/zosusit-mewenureketowi-dejifavumifa.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/1/0430/8307/1650/files/vuzoburavarobovaxaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1165/3282/files/42888867469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5325/9679/files/1657353028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9954/6009/files/pvc_roof_insulation_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3509/8264/files/wegerizuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xodujanizovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7188/7767/files/judapezowogid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/vajijabebejowuwigoxumo.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 8

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_off000041b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41B8 5716 bytes
SHA-256: cd0566e62e69e8190c6996c2d03705d7d43c30c052d4e6dd0d831c9f041592fd
font_01_sfnt_off000054fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54FB 8976 bytes
SHA-256: 287c22e714a8271c3135015261bd00ee40e702cafe74641c015fc9c1d9ee897f

Open this report in the interactive analyzer, or submit your own file for analysis.