Malicious PDF — malware analysis report

Static analysis result for SHA-256 d97052305d161ed4…

MALICIOUS

PDF

66.8 KB Created: 2020-08-19 18:17:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7030779929216dcf3d35d69304c2bc90 SHA-1: fbba945776d232736de6a044f4c6eea46b0c3d74 SHA-256: d97052305d161ed4e5f3665aef98b5ac594d781a21e4f17348c51e37a98dd9ba
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded links that redirect to a malicious domain, ttraff.com. The document body, though heavily obfuscated, appears to contain text related to a 'career action plan template for students', suggesting a lure to entice users to click the malicious link. The presence of a PDF malicious redirector link heuristic confirms the malicious intent.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=career+action+plan+template+for+students
    • http://files.brucekatlincreates.com/uploads/1/3/1/4/131453595/35c14b.pdf
    • http://files.nicolaasmostert.com/uploads/1/3/2/3/132303138/30ecba5.pdf
    • http://files.estevezdesigns.com/uploads/1/3/1/3/131381006/e39afb2b0.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/korudosokewuxul.pdf
    • https://cdn.shopify.com/s/files/1/0433/7863/8999/files/60998434629.pdf
    • https://cdn.shopify.com/s/files/1/0438/7104/3739/files/vocabulary_list_environment.pdf
    • https://cdn.shopify.com/s/files/1/0429/4619/9711/files/boeing_747_weight_and_balance_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/4901/5706/files/40617239266.pdf
    • https://cdn.shopify.com/s/files/1/0430/6586/8437/files/31569212228.pdf
    • https://cdn.shopify.com/s/files/1/0432/8236/6624/files/povoji.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/53395102457.pdf
    • https://cdn.shopify.com/s/files/1/0433/0569/7438/files/dawn_of_war_2_unit_guide.pdf
    • https://cdn.shopify.com/s/files/1/0430/6190/3517/files/30513036001.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_off0000bdd6.bin
4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDD6 2828 bytes
font_01_sfnt_off0000c7d1.bin
3c202f9190df623de5e34a9db460215f50881df85e8c60aadf7d34946b02cfd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC7D1 5208 bytes
font_02_sfnt_off0000d967.bin
83a4300845f9f57cef552ada630180d1b41dbcf8f5cd0ded14748ef668424f45		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD967 9932 bytes

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