Malicious PDF — malware analysis report

Static analysis result for SHA-256 6079fa2a40675e6a…

MALICIOUS

PDF

54.3 KB Created: 2020-08-06 14:59:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: e650ddc54a1703c62211bff505be6962 SHA-1: 2a3d958cb559b3cba11b67c506a23dabace3d168 SHA-256: 6079fa2a40675e6a7ceba76377ff62e4c884f4bb40c62529f3d26c041b9ebe7e
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The document body, though heavily obfuscated, contains a URL that mirrors the malicious redirector's target. The presence of numerous external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to increase visibility of the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=camara+de+comercio+internacional+incoterms+2020+pdf In PDF document text
    • http://files.learndeveloplive.com/uploads/1/3/1/4/131453177/f1acd165cdf2.pdfIn PDF document text
    • http://files.amuzeapp.com/uploads/1/3/1/6/131636702/6959518.pdfIn PDF document text
    • http://vumizu.heretohealthwellnessclinic.com/uploads/1/3/0/9/130969204/wipexevi.pdfIn PDF document text
    • http://files.tyjministries.com/uploads/1/3/1/3/131398154/funutopafelupujepi.pdfIn PDF document text
    • http://files.hairbyskilz.com/uploads/1/3/1/3/131380558/vesiwizisemotos_megekele_takesupamak_gixegobetex.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/1/0432/2571/0750/files/32928619060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9212/2536/files/financial_statement_assertions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78992801071.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8752/7078/files/1010507312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1707/5868/files/vazavugozanozetewapan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7656/7711/files/wuvonorusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1594/6911/files/tototur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2633/3351/files/65723933092.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7511/6961/files/lotorukiradatubekogeli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63912397784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/pdf_to_dwg_converter_free_download_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/jadiwefokojoborukosixe.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007337.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7337 5480 bytes
SHA-256: 9f7c4d3dc7ed6d7593da30f264fea3f8ddb21509578eceef251ee461b6dfd4d7
font_01_sfnt_off000085b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85B6 1920 bytes
SHA-256: 218c11e7c3edafe47b3d6f41bc8bdfd7155aaae40b6737a353a719cb5551320f
font_02_sfnt_off00008edd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EDD 11320 bytes
SHA-256: cd33109e573b30722ad98ab93afb1b588f5bca5e3570881af145efd9bfe207a6
font_03_sfnt_off0000b3d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3D4 16120 bytes
SHA-256: 2908c71a73812f4dbbe924f85feb1de9e16d69baa71a945eb870efde3fff0373