Malicious PDF — malware analysis report

Static analysis result for SHA-256 b34210e187e35470…

MALICIOUS

PDF

45.8 KB Created: 2020-08-14 10:43:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 607757c11d13c2b9c4110b50f47e6877 SHA-1: 2bfdb3d31867491673ea98debc33f8996548d87f SHA-256: b34210e187e354704d9d1a241a11426af98b5c9776a7e974e9d58d124fa5dcbe
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Cctv camera full installation guide pdf' and the malicious URL. The presence of a link farm and a redirector suggests a phishing or scam attempt to lead users to malicious content.

Heuristics 3

  • 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.
  • 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=cctv+camera+full+installation+guide+pdf
    • http://files.brighthope247.org/uploads/1/3/1/0/131070560/pivuzizod_tojazenokurasew.pdf
    • http://luwete.alandbevsrv.com/uploads/1/3/1/4/131407995/kidafozavon.pdf
    • http://files.qatarbikeshop.com/uploads/1/3/2/6/132683330/wevadajerelulebi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0516/5216/files/56582343249.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9354/files/pupuxanuz.pdf
    • https://cdn.shopify.com/s/files/1/0434/0832/6812/files/definition_of_lifestyle.pdf
    • https://cdn.shopify.com/s/files/1/0433/9305/6933/files/74583348692.pdf
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/gidotobeji.pdf
    • https://cdn.shopify.com/s/files/1/0430/3329/7058/files/leadership_skills_for_project_managers.pdf
    • https://cdn.shopify.com/s/files/1/0432/2947/9076/files/77132305259.pdf
    • https://cdn.shopify.com/s/files/1/0437/7749/1093/files/vegimu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/ruginan.pdf
    • https://cdn.shopify.com/s/files/1/0431/4578/9606/files/balkans_history.pdf
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/14235625773.pdf
    • https://cdn.shopify.com/s/files/1/0432/4094/7880/files/buddenbrooks_english.pdf
    • https://cdn.shopify.com/s/files/1/0432/7328/9888/files/19922051258.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007353.bin
c505151b48004a0063a0fc48fc26ec32b8fd9ff07adf4f697072d3158bf233ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7353 5440 bytes
font_01_sfnt_off000085c1.bin
2358b2679dff31e58a9656e0340e7bb54db162c7bbf8fa6efeddbdf6d8b85987		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85C1 10624 bytes

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