Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d226eecadac95b4…

MALICIOUS

PDF

47.1 KB Created: 2020-08-14 03:45:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2fa1fd82632d697e82ec5733fcee4bb4 SHA-1: 727c424b8a3b1d0cdd23cc8c96c4d44e2ebbf4d2 SHA-256: 7d226eecadac95b469bedd5b1445b629adecc0f64af61b952053e1f67288b9c0
130 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text fragments and URLs that reinforce this finding. The presence of a "download button" heuristic further suggests a user-interaction-based lure. The primary attack vector appears to be a phishing attempt disguised as a bug report, directing users to a malicious URL.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=report+bug+microsoft+excel
    • http://files.tashaguevara.net/uploads/1/3/1/4/131406337/sasurelaga-tezamozerotexej-zexogogujuja.pdf
    • http://files.ezservicelist.com/uploads/1/3/1/4/131406202/7531681.pdf
    • http://potowowa.jymshd.org/uploads/1/3/1/4/131482975/ropaz.pdf
    • http://files.iamroyalheir.com/uploads/1/3/1/4/131407406/vadirabot_runijuduke_tibazeboba.pdf
    • http://files.thisdesperatecity.com/uploads/1/3/1/3/131384171/kajemasogoter.pdf
    • https://cdn.shopify.com/s/files/1/0447/0436/6748/files/98476312490.pdf
    • https://cdn.shopify.com/s/files/1/0430/9562/1786/files/mathematics_for_seismic_data_processing_and_interpretation.pdf
    • https://cdn.shopify.com/s/files/1/0433/7382/2102/files/puwolib.pdf
    • https://cdn.shopify.com/s/files/1/0431/6263/2360/files/nigagojapobuzudago.pdf
    • https://cdn.shopify.com/s/files/1/0431/2222/9397/files/96568547289.pdf
    • https://cdn.shopify.com/s/files/1/0435/1783/7467/files/51096120391.pdf
    • https://cdn.shopify.com/s/files/1/0434/1206/2364/files/58553466195.pdf
    • https://cdn.shopify.com/s/files/1/0432/2679/2100/files/gakiwogizobawakuluzageson.pdf
    • https://cdn.shopify.com/s/files/1/0431/1656/0550/files/xobujumelagibi.pdf
    • https://cdn.shopify.com/s/files/1/0434/2281/0263/files/87085982979.pdf
    • https://cdn.shopify.com/s/files/1/0430/0147/9321/files/soxij.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_off00006d92.bin
367e8c214efc4af878a4f584900d46b2f19ddef1b879e97bcddcb35e71a0b5d6
pdf-font-stream PDF embedded font (sfnt) at offset 0x6D92 5116 bytes
font_01_sfnt_off00007f12.bin
b1ee9f960683ca3f3255cd6a95b668cfc5d72d5bbf70fc0976a5185d23537c7a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F12 9896 bytes
font_02_sfnt_off0000a104.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0xA104 4324 bytes