Malicious PDF — malware analysis report

Static analysis result for SHA-256 054e21a59cdbeb7d…

MALICIOUS

PDF

39.2 KB Created: 2020-08-01 16:08:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 41ca6d47ec6fa9caa0597a11b42bf1ba SHA-1: 7cfa0cae2a7e620430d577d58ce1eb31c4015869 SHA-256: 054e21a59cdbeb7df9dfbf23ad8736973f931a265824d88ef80efcf6d25b8e36
194 Risk Score

Malware Insights

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

This PDF file contains numerous links designed to appear as a link farm for PDF documents, likely for SEO manipulation or to host malicious content. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=apc+xs+1300+manual', which is also present in the document body. The ML classifier strongly indicated maliciousness.

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.ru/pify?keyword=apc+xs+1300+manual In PDF document text
    • http://files.evolutionbjjpetawawa.com/uploads/1/3/0/8/130813859/batanujos_vumijoguda_madunulurazi.pdfIn PDF document text
    • http://files.hotelsomando.com/uploads/1/3/0/7/130739772/2104154.pdfIn PDF document text
    • http://files.weedspoon.com/uploads/1/3/2/6/132681213/talam_tojuna_jamawadugoxim_periruwumasun.pdfIn PDF document text
    • http://files.ivnonline.info/uploads/1/3/0/7/130775403/lejob.pdfIn PDF document text
    • http://files.hardwickwinery.com/uploads/1/3/0/8/130813667/9232181.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/1/0431/0564/8807/files/rafutafosapuwubiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0741/0329/files/81477205239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7149/4554/files/xudazojiruwotete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9341/7366/files/nujixigobikal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1143/2857/files/paladin_oath_of_the_crown.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/nexoxufaref.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9028/9574/files/60432524625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6887/3112/files/96909835247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9740/0223/files/wujijurel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4815/7859/files/givuxagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2395/7144/files/gibibagumer.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_off00004e80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E80 5400 bytes
SHA-256: 5c7a2b0595f202e22fc131ec7ab6e52d0840e3b44978f89ba2616373b2e2860d
font_01_sfnt_off000060d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60D7 14868 bytes
SHA-256: 4835fc1778d6eb57690b9a2348c3ad508a6557d41600d8b9a5339998ac54ddc8

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