Malicious PDF — malware analysis report

Static analysis result for SHA-256 45f9437974313a42…

MALICIOUS

PDF

34.0 KB Created: 2020-08-30 01:21:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6209ca69dcf2faacc15b58e2aeb383d2 SHA-1: a978b4254bb98d1d8b036458502773e9e3e271e0 SHA-256: 45f9437974313a4224ead3e5fdf1aef6dbd133ae92029921607430bf0512ef38
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL, suggesting an attempt to trick the user into visiting a malicious site. The presence of numerous other PDF links also indicates a link farm strategy, likely for SEO poisoning or to obscure the malicious 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/wix?keyword=fallout+4+script+extender+reddit
    • https://cdn.shopify.com/s/files/1/0430/4178/3959/files/dojusasu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9015/7474/files/judupegenapabiwen.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/sikibotil.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef2bd8778cf849fd9c7f220d72f0503f.pdf
    • https://static.usrfiles.com/ugd/b8c837_3ee411929aed468eaa0a2edda25113f1.pdf
    • https://static.usrfiles.com/ugd/b8c837_d86637aaf80a4a9192bfc9526af3486e.pdf
    • https://static.usrfiles.com/ugd/b8c837_9d879c01657647f4bca53c28aa17a044.pdf
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/fekidurokifibibosigines.pdf
    • https://cdn.shopify.com/s/files/1/0429/8774/9525/files/97912444762.pdf
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/bulk_insert_format_file_skip_first_row.pdf
    • https://cdn.shopify.com/s/files/1/0431/5702/9019/files/jegarodi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0936/7461/files/carol_of_the_bells_sheet_music_satb.pdf
    • https://static.usrfiles.com/ugd/8b9728_e736e1eddc0a4d3d805037903cc2fa3d.pdf
    • https://static.usrfiles.com/ugd/67f5f7_85e3e500c2424c5fb18da4880c746d36.pdf
    • https://static.usrfiles.com/ugd/06497e_a79760037b1949439e50f92d9ab8d630.pdf
    • https://static.usrfiles.com/ugd/b8c837_e41db60785a940b79d36a42069d4c010.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_off000048f4.bin
2a48b34f5d6b98d478790aaf757e5df84c520230950c9769d2a73079ac1dba79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48F4 5176 bytes
font_01_sfnt_off00005aab.bin
61a8c3962b0ebcf16a56222821ee2270c97c18310f75b5d4194e5e0eb5f30d12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AAB 9568 bytes

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