Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ba8d4de54087cd2…

MALICIOUS

PDF

33.8 KB Created: 2020-08-16 23:55:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 63993be364fdbcfd2afee6d3f6f08538 SHA-1: 71f5ff2ff8613ede0920b395c40d5ea01e83600b SHA-256: 3ba8d4de54087cd293d83b36acac3aeed0cee35939768572c1fb8b60c53ca11c
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a significant number on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=cb+edit+background+4k'. This suggests the document is designed to act as a link farm, potentially to distribute malware or phish for credentials through the redirector.

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=cb+edit+background+4k In PDF document text
    • http://files.mymagicspoon.com/uploads/1/3/0/7/130739202/gixovitawu.pdfIn PDF document text
    • http://files.electroyelizondo.com/uploads/1/3/1/4/131406453/aa384e4c25d0dd3.pdfIn PDF document text
    • http://genirew.martachaffee.com/uploads/1/3/1/6/131606490/8b5873.pdfIn PDF document text
    • http://files.adolescentidentities.com/uploads/1/3/1/8/131857305/kixit.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/1/0433/0687/7080/files/wawufomujemozinabewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2723/4969/files/palat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8583/2096/files/facebook_blueprint_exam_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6111/6064/files/libro_el_cerebro_autista_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3262/4808/files/manunuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/sibomaxuveves.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/resujilatitotativesuxusis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/how_many_graham_crackers_in_a_box.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9631/7845/files/filmfare_awards_2020_winners_list_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9097/4622/files/ad_bc_a_rock_opera.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_off000049d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49D5 5092 bytes
SHA-256: 9dc26e14936c41a742b064125438b4b78585ef06c5fd0f7bd8cb14af1077a122
font_01_sfnt_off00005b37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B37 9232 bytes
SHA-256: 99cd17dfdbe97b376c90d56dca72929c179ff88c4646d04fc7da956c6f97ae13

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