Malicious PDF — malware analysis report

Static analysis result for SHA-256 f24e36e888ec033f…

MALICIOUS

PDF

59.6 KB Created: 2020-08-17 11:11:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 56d6089556af095732fafbeec805ee3c SHA-1: 3c098b94a4cc2456f4e16b8e9197bbaeb6b7ad03 SHA-256: f24e36e888ec033fa31c91652271fa4b0a3113c657a14a46decd24b4f5420a0c
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, `https://ttraff.cc/pify?keyword=inflammatory+bowel+disease+treatment+guidelines+ppt`, suggesting a malicious intent behind the link farm. The document body itself is heavily obfuscated and contains some of these URLs, indicating it's likely a lure to drive traffic to these linked resources. No scripts were extracted from this sample.

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=inflammatory+bowel+disease+treatment+guidelines+ppt In PDF document text
    • http://files.bosombuddiesbenefit.com/uploads/1/3/0/8/130814169/gasobojogupefebosut.pdfIn PDF document text
    • http://files.amberleyseedlingtrees.co.nz/uploads/1/3/1/4/131454503/8efe72d011a32e.pdfIn PDF document text
    • http://files.pacopioneervalley.org/uploads/1/3/2/6/132680994/3171837.pdfIn PDF document text
    • http://suwitevid.vinoaquino.net/uploads/1/3/0/7/130775350/836065.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/1/0432/6585/1542/files/jevewiwamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/bubuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7108/6485/files/mefavasiwazixigasele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2316/1768/files/miramojokajumafizagowux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1087/5815/files/wemezotesimokigurisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5933/9674/files/53562783875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2134/3647/files/neriweno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8189/9944/files/list_of_cabinet_ministers_of_haryana_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2174/3781/files/purozezabimimimupis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/eddelu_manjunatha_songs_free.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 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_off0000aad0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAAD0 5632 bytes
SHA-256: 9eced540584bd9bbf8831d6431c1a72cc90301f6f58f61a9dbf1bd93ea46c0d2
font_01_sfnt_off0000bdeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDEB 10436 bytes
SHA-256: 09dba48ccd49c88c83d4dcf42055e58e579d88b4b334b3a30413df2697591258

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