Malicious PDF — malware analysis report

Static analysis result for SHA-256 af34c999976c7d66…

MALICIOUS

PDF

56.7 KB Created: 2020-08-31 19:49:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 847782fac3e4f409958afe0745ae1a4d SHA-1: 38b3e023f567764f5630a86f9475dbc14c628d50 SHA-256: af34c999976c7d66026ba77e65d0e1782f7e7c471cc5194e814e3455ec4be2df
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, includes the text 'Beautiful html css login form tutorial' and the malicious URL, suggesting a lure. The presence of a link farm heuristic further indicates an attempt to distribute content or traffic through numerous external links, with the primary malicious URL being the highest priority IOC.

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.cc/wix?keyword=beautiful+html+css+login+form+tutorial
    • https://static.usrfiles.com/ugd/850f07_6387c22f56c24f9b90d11db945e1d66b.pdf
    • https://static.usrfiles.com/ugd/6d59ab_41a87b3d3df24507a2acc7b6c0ba8deb.pdf
    • https://static.usrfiles.com/ugd/e745be_c7401b156d674667abd983b1b195bbaf.pdf
    • https://cdn.shopify.com/s/files/1/0433/1136/6309/files/download_pokemon_sun_apk.pdf
    • https://cdn.shopify.com/s/files/1/0432/5064/7204/files/arrival_2016_movie_download_in_hindi_480p.pdf
    • https://cdn.shopify.com/s/files/1/0428/7404/4579/files/dark_souls_cheats.pdf
    • https://cdn.shopify.com/s/files/1/0431/0574/7108/files/52625494950.pdf
    • https://cdn.shopify.com/s/files/1/0432/4540/4327/files/age_of_empires_2_installer.pdf
    • https://cdn.shopify.com/s/files/1/0436/7243/6889/files/elcoteq_se_annual_report.pdf
    • https://cdn.shopify.com/s/files/1/0438/4748/3552/files/6246459855.pdf
    • https://cdn.shopify.com/s/files/1/0431/7079/1573/files/nigeria_war_movies.pdf
    • https://cdn.shopify.com/s/files/1/0447/9008/7829/files/bull_shoals_arkansas_fishing_report.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070dc.bin
cc6e3c116eb4af876a26fef03096fa5d9c05cd8c8ea2c5ef2f852600e624bfc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70DC 5228 bytes
font_01_sfnt_off00008279.bin
6777f956d0bb04adbe63529429b5f4a0594394c08a9a6b3a92125b38c5bf608d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8279 15180 bytes
font_02_sfnt_off0000b286.bin
fce21d86c2b5faa43a5619d6c859002d414ef8720c10ef6ba746f045f1b0bfa7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB286 16076 bytes
font_03_sfnt_off0000c734.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC734 4324 bytes

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