Malicious PDF — malware analysis report

Static analysis result for SHA-256 07b653d252e82949…

MALICIOUS

PDF

41.7 KB Created: 2020-08-21 02:24:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc4b3eaff7dadc0d114932486fa98710 SHA-1: 77b02f585c20f315a991f8a38497d852bcd7e4d1 SHA-256: 07b653d252e8294985be26f998e611b2d556b7d0787359ec2cb471521ea2636f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document is designed as a lure, presenting itself as "Studio code answers" to entice users to click embedded links. The primary malicious link, https://ttraff.com/pify?keyword=studio+code+answers, is identified as a redirector to malicious infrastructure. The document also contains a large number of links to PDF files hosted on Shopify, likely part of an SEO link farm to improve search engine ranking for 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=studio+code+answers In PDF document text
    • http://files.liquidsunshinedesigns.net/uploads/1/3/1/6/131606644/6427307.pdfIn PDF document text
    • http://files.spanishschoolbus.com/uploads/1/3/1/6/131636781/52161698e8ff.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/50979621573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/87051558668.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7417/4622/files/bixby_voice_assistant_app.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5458/7295/files/karimuvinemabodisidokuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2554/6912/files/buwibevolakebutuliba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5453/8658/files/95768489897.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7186/4993/files/beranefewigabeje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0996/5212/files/blockchain_pour_les_nuls.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58CC 4976 bytes
SHA-256: a716babddd26830b9bc01328d3fb748d8015884c9ad416d5040f333c90c9f139
font_01_sfnt_off000069c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69C4 10088 bytes
SHA-256: 6033d5868ebd424345066c15dfacd356fe8e8146ca94520302ab7bb542cb7b6b
font_02_sfnt_off00008c28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C28 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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