Malicious PDF — malware analysis report

Static analysis result for SHA-256 4737bb2ebb5fdf6d…

MALICIOUS

PDF

43.8 KB Created: 2020-08-21 08:59:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5757b8b6910ded0a44fc03f69ec9fcbc SHA-1: a4e84571dedcee6fcaaafef666ed311c7ded3939 SHA-256: 4737bb2ebb5fdf6df3c8e802bcc6542f1617f39e9cc978058a52f6b209231009
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that are designed to appear as legitimate datasheets but redirect to malicious infrastructure. The primary malicious URL identified is ttraff.com, which is flagged as a redirector. The document body, though partially corrupted, contains text related to a 'Seagate 8tb surveillance hdd datasheet', suggesting a lure to entice clicks on the malicious link.

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.com/pify?keyword=seagate+8tb+surveillance+hdd+datasheet
    • http://files.isetnb.com/uploads/1/3/0/7/130739340/1338399.pdf
    • https://cdn.shopify.com/s/files/1/0433/6173/0718/files/wugofefowiwojotawetam.pdf
    • https://cdn.shopify.com/s/files/1/0436/0588/5090/files/jalamusetok.pdf
    • https://cdn.shopify.com/s/files/1/0434/1648/6040/files/skyrim_nude_females.pdf
    • https://cdn.shopify.com/s/files/1/0448/1361/5264/files/public_administration_in_canada_2nd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/6713/0534/files/45765671602.pdf
    • https://cdn.shopify.com/s/files/1/0437/6743/1329/files/brother_hl-_2280dw_wireless_setup.pdf
    • https://cdn.shopify.com/s/files/1/0430/6314/8706/files/84772771116.pdf
    • https://cdn.shopify.com/s/files/1/0432/8158/0188/files/muwilojizoxosamefunonef.pdf
    • https://cdn.shopify.com/s/files/1/0436/0214/9540/files/physics_for_scientists_engineers.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005db2.bin
c4bed211a467119eb85d489ae2ebbf43f93782b7a4411baefa5e30e8c894537a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB2 5468 bytes
font_01_sfnt_off00007032.bin
35a96722ce12de5d04870c463bfd042584596d20166568581c8d9b10d34bdaa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7032 10112 bytes
font_02_sfnt_off000092dd.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92DD 4324 bytes

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