Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0a57dcbcd9b2df…

MALICIOUS

PDF

46.7 KB Created: 2020-09-17 10:52:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49a1c9e8941556c5f939d52b49680035 SHA-1: b560c05c744f5dc55ee93a15770f1389ef7ff042 SHA-256: ee0a57dcbcd9b2dff2854f74c7a8785ee8726264b32836d7f367682242e02b25
120 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, many of which point to suspicious domains and are likely part of a link farm or SEO poisoning campaign. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that are likely used to redirect users to malicious sites, potentially for phishing or malware distribution.

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.club/wix?keyword=n+or+m+agatha+christie+pdf
    • http://vokiwege.scaffolddawgs.com/uploads/1/3/0/7/130739059/5f08b7a7.pdf
    • http://files.inspire-america.org/uploads/1/3/1/4/131437515/jodadefubebe-sitububag.pdf
    • http://files.cffu.org/uploads/1/3/2/6/132683111/bazakekukaxatiwi.pdf
    • http://wukelij.sharicookson.com/uploads/1/3/1/4/131453850/2741236.pdf
    • http://fudakix.ejaneluzar.com/uploads/1/3/2/6/132681293/jitutozoruj.pdf
    • https://cdn.shopify.com/s/files/1/0433/7985/1414/files/editor_de_audio_para_android_apk.pdf
    • https://cdn.shopify.com/s/files/1/0431/2000/1178/files/xosamuwemusolome.pdf
    • https://cdn.shopify.com/s/files/1/0428/5349/9046/files/lost_dimension_trophy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0482/2617/3085/files/van_halen_live_without_a_net_streaming.pdf
    • https://cdn.shopify.com/s/files/1/0464/5578/3592/files/chevy_ssr_manual_for_sale.pdf
    • https://cdn.shopify.com/s/files/1/0444/2200/4903/files/97648313704.pdf
    • https://cdn.shopify.com/s/files/1/0429/7064/4631/files/wewamuguruporeni.pdf
    • https://cdn.shopify.com/s/files/1/0433/9249/9877/files/ge_317b6641p001_manual.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_off00007804.bin
38a8045917f064504f52800eaa7225b0831edaccc5c6a386957048f243ddb0ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7804 5508 bytes
font_01_sfnt_off00008a98.bin
580b4e740b5c3bcca9eb9c9c6b3c14cab4082570eb23a26d993838e1b6097ca4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A98 10376 bytes

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