Malicious PDF — malware analysis report

Static analysis result for SHA-256 354ae623dbe9cf75…

MALICIOUS

PDF

37.1 KB Created: 2020-09-04 17:17:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72eb7ba9dac7183d5a5a450d5a90d753 SHA-1: 9b22dd6931e4549217e7302d4ff33c9d88e01c5c SHA-256: 354ae623dbe9cf75974dc45e636c393ee5619c23ced57c888d513fd41b9133b1
120 Risk Score

Malware Insights

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

The PDF contains a prominent link disguised as a movie download, which is a common social engineering tactic. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms that the primary link leads to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are benign, but the presence of the malicious redirector is the primary concern. No scripts were extracted from this sample.

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=burning+bright+2010+full+movie+free
    • https://cdn.shopify.com/s/files/1/0439/3133/6859/files/animals_name_in_tamil_and_english_with_pictures.pdf
    • https://cdn.shopify.com/s/files/1/0430/4447/0945/files/32690992274.pdf
    • https://cdn.shopify.com/s/files/1/0433/2588/2518/files/the_barkays_soul_finger.pdf
    • https://cdn.shopify.com/s/files/1/0431/2216/3866/files/40506852405.pdf
    • https://static.usrfiles.com/ugd/b8c837_fba881b756674e429f852991f1cceaf2.pdf
    • https://static.usrfiles.com/ugd/3794ad_7a070a26cc6a4d39be73c5534da6d7d3.pdf
    • https://static.usrfiles.com/ugd/defdb4_1e0bd7730ecf406c80048c5b338a476c.pdf
    • https://static.usrfiles.com/ugd/b8c837_6212f1430b58437d84a577fc1e1c08ef.pdf
    • https://static.usrfiles.com/ugd/9757e7_b871a837995f48c4b5a22569c32bf0ec.pdf
    • https://static.usrfiles.com/ugd/6240f8_37627c57ac9a447bb4a27f235c34a18a.pdf
    • https://static.usrfiles.com/ugd/0a593f_722798a04c284bcead15fae1d5175947.pdf
    • https://cdn.shopify.com/s/files/1/0433/6055/1062/files/nfl_live_streaming_app_android.pdf
    • https://cdn.shopify.com/s/files/1/0437/7369/0017/files/wukubemogu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/novojibutixiketen.pdf
    • https://cdn.shopify.com/s/files/1/0433/5783/1326/files/ge_carescape_r860_ventilator_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/8371/9071/files/darth_plagueis_livro_download.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_off000051f9.bin
f0ffea6766e48f44919565f21e9f85c56314bece23453ca331a771268a793b6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51F9 5368 bytes
font_01_sfnt_off00006433.bin
94d66f67ca12054b3e9a104ce85022c80627ad68f95aad31be3f1cd053ecb449		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6433 10344 bytes

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