Malicious PDF — malware analysis report

Static analysis result for SHA-256 e43aafe7b0e64a64…

MALICIOUS

PDF

47.8 KB Created: 2020-09-02 18:40:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 498afe7e4299a7b30579cbcf4e428424 SHA-1: 5bbcdfd6fd2528fa586dce85940e3ac0a0980a60 SHA-256: e43aafe7b0e64a6488c33b880d50fd4aefd41fe3abb50355e7ff7a2b08ab9eed
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=egypt+new+capital+map+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs. The document body, though heavily obfuscated, contains references to 'Egypt new capital map pdf' and the malicious URL, suggesting a lure to entice users to click the link. The primary attack pattern involves redirecting users to potentially harmful 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.club/wix?keyword=egypt+new+capital+map+pdf
    • https://static.usrfiles.com/ugd/b88e3d_644582a569a54387a618ff30dbbd73d1.pdf
    • https://static.usrfiles.com/ugd/4c4e45_64f9dad15ab744079d2693fa0046077d.pdf
    • https://static.usrfiles.com/ugd/53c654_11e175eed6604f25a137152370d5caa2.pdf
    • https://static.usrfiles.com/ugd/b80405_0795a79ce3d74b48aed4d518d7039d7b.pdf
    • https://static.usrfiles.com/ugd/cbe7f7_007cad43e5c247ebb5c901d35d848c71.pdf
    • https://static.usrfiles.com/ugd/b8c837_5174e7def6a94be988f14b32e2cadd09.pdf
    • https://static.usrfiles.com/ugd/7f16bd_95b3f9f8e471498f8ddce9c4356a0c66.pdf
    • https://static.usrfiles.com/ugd/b8c837_5b8b10e1f35d4390b10e9695d15d2c22.pdf
    • https://cdn.shopify.com/s/files/1/0448/2993/3725/files/rubopapevip.pdf
    • https://cdn.shopify.com/s/files/1/0435/4487/1080/files/keynote_template_presentation_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/7100/5082/files/28476581800.pdf
    • https://cdn.shopify.com/s/files/1/0430/9339/3557/files/tolaxewukajatebewume.pdf
    • https://cdn.shopify.com/s/files/1/0430/3739/3049/files/aprilia_rs_50_workshop_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/8201/5129/files/88269738097.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_off00007c84.bin
cae9b00e93b4be190bc571810290b4a072f1f73609d82dbbec0b64595e71e641		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C84 5352 bytes
font_01_sfnt_off00008ed1.bin
c69ec78f952065db2fb7a0bd1c428bd9acc5c5f49229e3fae6fdfc19e8c81708		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED1 10444 bytes

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