Malicious PDF — malware analysis report

Static analysis result for SHA-256 923e657f6e7eac8e…

MALICIOUS

PDF

49.1 KB Created: 2020-08-09 10:29:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4bd93185dbe07cab9bd75e8f0a47f329 SHA-1: cd69b5f4ad981345f8b47e6e2a16507819362edb SHA-256: 923e657f6e7eac8e78a648c4d642b727adfef37fa0368dc402b39d6fa44c4326
202 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'inventory management pdf' and the URL 'https://ttraff.cc/pify?keyword=define+inventory+management+pdf', suggesting a lure to a malicious site. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute malicious content.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=define+inventory+management+pdf In PDF document text
    • http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdfIn PDF document text
    • http://files.beautifulnapatours.com/uploads/1/3/2/8/132814900/gusezoligatotiwepada.pdfIn PDF document text
    • http://files.cmitelementarypto.com/uploads/1/3/0/8/130874495/15f30f9f.pdfIn PDF document text
    • http://torodig.lauramckaigpt.com/uploads/1/3/0/8/130814328/9124186.pdfIn PDF document text
    • http://fufuwi.ironmartialartsonline.com/uploads/1/3/0/8/130815017/5353836.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/1/0430/4253/7629/files/madagojekibujijunatojedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/japan_fighting_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2896/3747/files/21612084305.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2904/4127/files/body_parts_esl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6842/3334/files/66407053057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1509/3917/files/9100173822.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4796/8149/files/zigoki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3519/6568/files/76273136888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5933/9674/files/26216857550.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6350/9143/files/business_english_for_beginners.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9419/6902/files/40577030184.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3672/8735/files/42400873938.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9125/5713/files/namiruvebe.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_off00008157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8157 5312 bytes
SHA-256: 9a8321aa6e0689ac8b323a082965c56c56470755c954d382a32501658dc59487
font_01_sfnt_off0000936d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x936D 10364 bytes
SHA-256: 6dd582556d446edfec8fa916ad12bba009380ee2edee4688de0e2140b9376ca7

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