Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc81a021ed139e7b…

MALICIOUS

PDF

40.8 KB Created: 2020-08-20 22:06:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e53ee1ccde0f212be369b35c69cd454 SHA-1: e5a784c3de16f2701fe27b64c4381d1361532ac6 SHA-256: cc81a021ed139e7bf1d8560021f2a5f4417f6fb45f8ea329144e5027054c8253
120 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, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL that triggers this heuristic, suggesting a deliberate attempt to lead the user to a harmful destination.

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=antigone+pdf+dover+thrift+edition
    • http://files.eagleyoungmarines.org/uploads/1/3/2/7/132710661/vupotosaxidig.pdf
    • http://files.studiofred.net/uploads/1/3/2/6/132695832/podixabus_tejibunedomap_tesivev_luzibufir.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/tevuganefavefipogefil.pdf
    • https://cdn.shopify.com/s/files/1/0432/3373/8911/files/kezewip.pdf
    • https://cdn.shopify.com/s/files/1/0431/6286/1730/files/jitetenifokexi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8954/9726/files/vubedesuz.pdf
    • https://cdn.shopify.com/s/files/1/0438/4551/7469/files/50605550645.pdf
    • https://cdn.shopify.com/s/files/1/0437/3214/0186/files/boxudorapumulivemebol.pdf
    • https://cdn.shopify.com/s/files/1/0435/2950/2874/files/josijinogedogajasakajese.pdf
    • https://cdn.shopify.com/s/files/1/0434/0505/0021/files/85230333119.pdf
    • https://cdn.shopify.com/s/files/1/0428/7479/8247/files/bomb_calorimeter_working_principle.pdf
    • https://cdn.shopify.com/s/files/1/0432/7912/2587/files/53602262525.pdf
    • https://cdn.shopify.com/s/files/1/0431/3920/3221/files/mepijoxomexikik.pdf
    • https://cdn.shopify.com/s/files/1/0435/3458/1919/files/jilediko.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_off0000639a.bin
054375daca6c66ac3133a8785b3cf57c2bfa96dcdb6be51cd326d0f5aed205b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x639A 4932 bytes
font_01_sfnt_off00007467.bin
0ef2a51e0f59c538acc6b54d96b4db793d0cd657c1049274429c0c900aac61aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7467 10032 bytes

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