Malicious PDF — malware analysis report

Static analysis result for SHA-256 d268eb15d2be277b…

MALICIOUS

PDF

44.8 KB Created: 2020-07-31 18:12:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9bb82ed4a9c9b2dd8b36e5bf8ae0bfcf SHA-1: f9a23d4fc733111f276139ab5c60a4f05b718d67 SHA-256: d268eb15d2be277b774d5f0304a4d60831828971a92c957074af1b5365e6ea47
194 Risk Score

Malware Insights

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

The PDF document contains a link farm and a malicious redirector URL, suggesting it is designed to lure users to potentially malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=vce+exam+simulator+crack, which is likely used to distribute further malware or phishing content. The document body, though heavily obfuscated, contains references to 'Vce exam simulator crack', reinforcing the lure. The ML classifier strongly flagged this PDF as malicious.

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=vce+exam+simulator+crack In PDF document text
    • http://files.roxwind.com/uploads/1/3/1/3/131384101/e3320aa.pdfIn PDF document text
    • http://files.aldersgatebutte.org/uploads/1/3/1/4/131453245/4959187.pdfIn PDF document text
    • http://files.srabonikar.com/uploads/1/3/1/3/131398475/d03c75cf66f294.pdfIn PDF document text
    • http://files.bonnetcatering.com/uploads/1/3/0/7/130776484/ba93c2a18b.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/1/0429/1582/3772/files/97627954566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2331/9715/files/33771649107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1805/7885/files/78890073259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0319/0180/files/46958116595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2598/7734/files/vitufumoguxujaliwowuwus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1626/3592/files/69854159297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6987/4080/files/9896768963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6957/1233/files/besevul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/boxibimevonozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8748/6358/files/fizalakekejeliroguw.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006931.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6931 5044 bytes
SHA-256: d19ececa2fb1a1ea8470f77036ab1e493d115609a9f2b49aaad2c87c9d1c3ed9
font_01_sfnt_off00007a40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A40 1936 bytes
SHA-256: 21a7146106e2ad29a4dcc6aa55cee169416400570e2b3d493b6d071cb256f2f3
font_02_sfnt_off00008381.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8381 9944 bytes
SHA-256: a267f843ddbb275518d5efbac02dfd20fd5030ee0bbb183b7ff407e2c5c3551e

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