Malicious PDF — malware analysis report

Static analysis result for SHA-256 9327458e845eabfc…

MALICIOUS

PDF

65.7 KB Created: 2020-08-07 19:09:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aaac45496930de9d4796b34ea970bf45 SHA-1: 49f14fc44d6efdd4903d34b3fd80b728a4f7de15 SHA-256: 9327458e845eabfcf6fad4fae076b251827467aa2e60bff3413b2dff466199e5
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to a malicious site. The presence of numerous PDF links indicates a potential SEO poisoning or link farm strategy to distribute malicious content.

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=approaches+to+risk+management+pdf In PDF document text
    • http://files.atreeanditsfruit.com/uploads/1/3/0/8/130874369/basebusizi_xovulevuwawuteg.pdfIn PDF document text
    • http://files.eccai.ca/uploads/1/3/2/7/132740586/boxog-bokitebizaro-nirosenisaminow-ranemebaworefu.pdfIn PDF document text
    • http://files.onpointsharp.com/uploads/1/3/0/8/130874110/5084833.pdfIn PDF document text
    • http://kateke.bubbleandmimilimited.com/uploads/1/3/1/4/131452883/23d4b19bccd38.pdfIn PDF document text
    • http://files.sycamorecreekfarms.com/uploads/1/3/0/8/130874125/e1c0146.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/1/0432/6873/5140/files/95042716511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3712/0933/files/pazita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6112/5015/files/95378183431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4855/9004/files/isometric_exercise_for_neck.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0602/5128/files/98993956886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8388/1893/files/xozupole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6649/0006/files/53973983731.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2023/9519/files/dasunasejogaxowow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8205/5842/files/fezuserigoxuragojebajabo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8792/1313/files/sound_absorbing_materials_zwikker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4975/2478/files/65019841711.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8631/5682/files/13188954643.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_off0000c30d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC30D 5588 bytes
SHA-256: a844d97921df125f1a00f9dbeaffd03d4b320cea435f90bad7a2e68f4247f203
font_01_sfnt_off0000d5e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5E1 10452 bytes
SHA-256: 8c14cb4e703c21ad7c5e246fc2048a479913db80c0daaaf075b3c97813480f9e

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