Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3b5323f7b74b01a…

MALICIOUS

PDF

48.9 KB Created: 2020-08-04 16:09:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 22948d271757ff61f9c71b66044b76a6 SHA-1: 7d15cdcd34bff31dd6fe376a131b612ef0a276e9 SHA-256: e3b5323f7b74b01a780b2dab76fecb3fe3404c36683374b3931f2ef98c5349bc
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely to improve SEO for malicious content. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=cafeteria+design+concepts+pdf'. This suggests the document is designed to redirect users to malicious infrastructure, potentially for phishing or malware distribution. No scripts were extracted from this sample.

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.cc/pify?keyword=cafeteria+design+concepts+pdf In PDF document text
    • http://files.tattnallarchives.org/uploads/1/3/1/4/131454345/4271624.pdfIn PDF document text
    • http://files.deepfocusfilmstudies.com/uploads/1/3/1/4/131438571/d1f07.pdfIn PDF document text
    • http://files.immi-sa.com/uploads/1/3/0/8/130874284/jiwepu.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/1/0438/3480/2333/files/80286432280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4939/4080/files/13142140563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9320/5916/files/38703246040.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9958/5696/files/pdf_auditing_and_assurance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7664/0156/files/7_days_to_die_zombie_stripper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7183/1193/files/52880768905.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4253/6604/files/ximotimosopozomobufar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/16074490493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/rabewagonumafebojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7184/0161/files/junowojozekipema.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/36289730978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5306/2043/files/16430549238.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 5

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_off000081ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81ED 5196 bytes
SHA-256: a5b1a35e7888acf657b7063e22e8ef857a3467a1d8d8e61f2abe60c9d8a308ac
font_01_sfnt_off000093aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93AA 10132 bytes
SHA-256: c6b6cc29e87238992b434e57558e1904627f3b25e5c01479480084fa0869028b

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