Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0027e73d0919d16…

MALICIOUS

PDF

36.5 KB Created: 2020-08-03 16:40:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6048862efab586e35b23d4a04506fc5c SHA-1: feef14180226cee59298a42b2c6d1ad8ff669f7a SHA-256: e0027e73d0919d16b0b9e887ad82c07444dd603cbc0c43b79df09643301bb1dd
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=adjective+pronoun+exercise+pdf, which is likely intended to redirect the user to a malicious site. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=adjective+pronoun+exercise+pdf In PDF document text
    • http://files.myheartmystate.com/uploads/1/3/1/4/131453256/davuwom-kozojejoxon-busut-kanok.pdfIn PDF document text
    • http://files.foxylockshairextensionsaustralia.com/uploads/1/3/2/7/132740805/wosafubow.pdfIn PDF document text
    • http://mixikuge.chrysalisbody.com/uploads/1/3/0/8/130814788/3667744.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/1/0429/8627/4967/files/25279789094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7372/3800/files/petomovomikavet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7755/8681/files/10946529295.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6133/0591/files/xobifiwufin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9426/9333/files/basanipobimoted.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3271/5163/files/35050726719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8133/4933/files/77127944094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7400/9753/files/72838026008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1055/4013/files/sumilixetupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/gibetufakimomojot.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_off00004bcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BCF 5100 bytes
SHA-256: 3168dc9f048a16ec8793d1fc7659b700a037786a13d8f451982f416a5d64148f
font_01_sfnt_off00005d51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D51 12404 bytes
SHA-256: 607c33c091dc891e9457ef5ad101c43415ba6b653fae9de6a551e5a769410426

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