Malicious PDF — malware analysis report

Static analysis result for SHA-256 396b303ee616085b…

MALICIOUS

PDF

35.3 KB Created: 2020-09-19 10:38:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 84608493df02760daa9d7a491a27bc79 SHA-1: 62c38e0652f5d80232540c8b47a20fe580029ff5 SHA-256: 396b303ee616085bd617b74c87b2d39b827c8b4d75636d8dc9c5e0db37e37922
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one that redirects to a URL associated with malicious activity. The document body text, though partially corrupted, suggests a lure related to 'understanding business ethics peter stanwick pdf', which is likely a pretext to entice users to click the malicious link. The presence of a PDF link farm further indicates an attempt to distribute or redirect to 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.link/wix?keyword=understanding+business+ethics+peter+stanwick+pdf In PDF document text
    • http://ramot.janetahrens.org/uploads/1/3/2/6/132682790/penozezawexilafe.pdfIn PDF document text
    • http://files.heuercadostudios.com/uploads/1/3/0/7/130738801/kaxigozowisesenuzi.pdfIn PDF document text
    • http://dovujezin.safe-t-systems.net/uploads/1/3/0/9/130969663/d6d457db6f7b1.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/1/0433/0923/6374/files/rininijagunel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4436/4710/files/2937701808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3136/3747/files/zutepidubinorom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9148/5091/files/barefoot_investor_blueprint_performance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8235/7663/files/87044326450.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7867/1779/files/36197873785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/3744/2457/files/autobiography_of_a_yogi_archive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7049/6661/files/nanowakoxobizawemigi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6484/2647/files/rirejesinawif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6109/2250/files/jbl_charge_3_service_manual.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 4

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_off00004c8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C8E 5672 bytes
SHA-256: 2f5c9ecb2ea220df53259b7c3992f9458934da5216df8b02848fcf84f4f72e06
font_01_sfnt_off00005fe7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE7 9484 bytes
SHA-256: c139a257808d9abe565407b2c3ec7b0e85959b47ae86b5ab4909c1c1f076baf7

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