Malicious PDF — malware analysis report

Static analysis result for SHA-256 f560c6878a3401eb…

MALICIOUS

PDF

41.5 KB Created: 2020-08-24 13:27:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ab9a3e9d075c0e355bfcf9076da396b2 SHA-1: af934e65707788e23964e1fc7fb85128d3ec7c18 SHA-256: f560c6878a3401eb6db454a5a956e80e048ed42d11435e30da8e9049148148b3
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains a reference to the malicious URL. The presence of a link farm and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=technical+chart+app+android
    • http://midage.lymeregisu3a.org/uploads/1/3/2/7/132741508/lizisaforefeloku.pdf
    • http://files.mathscience360.org/uploads/1/3/0/9/130969545/wuwobivunovim.pdf
    • https://cdn.shopify.com/s/files/1/0429/5639/0551/files/59417712916.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tunamowari.pdf
    • https://cdn.shopify.com/s/files/1/0428/5631/7091/files/21472503169.pdf
    • https://cdn.shopify.com/s/files/1/0433/5380/0859/files/bewarowowisepobaresiju.pdf
    • https://cdn.shopify.com/s/files/1/0432/7853/2758/files/impacts_of_ecotourism.pdf
    • https://cdn.shopify.com/s/files/1/0433/6500/7509/files/jejutuvifazumowazebob.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/lawesixozuganajeje.pdf
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/up_b._ed_government_college_list.pdf
    • https://cdn.shopify.com/s/files/1/0447/9247/9901/files/83736523697.pdf
    • https://cdn.shopify.com/s/files/1/0440/3019/7925/files/maxadevil.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_off000066c7.bin
28170ef698c3d08c9f29051f792f2c90a400d05f7292a344574507981ccf47ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66C7 4932 bytes
font_01_sfnt_off00007771.bin
d93f000da08d078ac33f61bcc2ffef0b22ea7346c98847fa89f8331dc06c0307		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7771 10040 bytes

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