Malicious PDF — malware analysis report

Static analysis result for SHA-256 30dc069776257013…

MALICIOUS

PDF

39.2 KB Created: 2020-08-31 21:28:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ce98f03000be7dabd48a2c99cba0673 SHA-1: 3346edc5f38680cca83ac630558e6f19b9ba86a2 SHA-256: 30dc06977625701372f128c6057c966e5102afca7a5c74bb210fb861acefd5fa
128 Risk Score

Malware Insights

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

The PDF file contains a lure related to a 'residential lease agreement template' and embeds multiple external links. One of these links, https://ttraff.cc/wix?keyword=residential+lease+agreement+template+georgia, is identified as a malicious redirector. The presence of a link farm and the invoice lure heuristic suggest a social engineering attempt to drive traffic to malicious sites, likely for further exploitation or credential harvesting.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=residential+lease+agreement+template+georgia
    • https://static.usrfiles.com/ugd/f46427_e5042fcabdec4dc98644a0b35c1de04a.pdf
    • https://static.usrfiles.com/ugd/b8c837_311c22bcd3a346988ed7ac3f2868541d.pdf
    • https://static.usrfiles.com/ugd/cfbfd2_b04ec4bc4d0e4607a403277f5cae2651.pdf
    • https://static.usrfiles.com/ugd/bf650e_1750b299cf9245878a17d76e9b2e6ba4.pdf
    • https://cdn.shopify.com/s/files/1/0441/2411/1000/files/application_format_for_government_job.pdf
    • https://cdn.shopify.com/s/files/1/0461/9829/2643/files/burning_series_windows.pdf
    • https://cdn.shopify.com/s/files/1/0429/4190/7100/files/app_store_mac_slow.pdf
    • https://cdn.shopify.com/s/files/1/0434/1478/2103/files/buzaveripogav.pdf
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/beginnings_and_beyond_10th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/5391/6053/files/zabosipu.pdf
    • https://cdn.shopify.com/s/files/1/0437/3574/4673/files/8709487539.pdf
    • https://cdn.shopify.com/s/files/1/0431/5627/5360/files/30482771718.pdf
    • https://cdn.shopify.com/s/files/1/0432/5575/9011/files/36055731236.pdf
    • https://cdn.shopify.com/s/files/1/0438/4643/4976/files/topukejewuf.pdf
    • https://cdn.shopify.com/s/files/1/0430/3532/8663/files/ciaphas_cain_choose_your_enemies.pdf
    • https://cdn.shopify.com/s/files/1/0436/3337/7440/files/91362702608.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_off00005d0f.bin
b0c3bbe7c7f27834172bdea1324ed52b1d48e15ce134584725e579c15371da46
pdf-font-stream PDF embedded font (sfnt) at offset 0x5D0F 5288 bytes
font_01_sfnt_off00006ef7.bin
d5f0dac199c54606f7f92bd19ef4bb773dc2ac0c5ec45dac5f21e8fc5416025e
pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF7 9580 bytes