Malicious PDF — malware analysis report

Static analysis result for SHA-256 80aed3683263188c…

MALICIOUS

PDF

42.3 KB Created: 2020-08-09 22:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e8c914480b83adf92d66d90033f1f67 SHA-1: 88ffa5f115d5ae5a5ba7f1605a44deaf6ecfa54b SHA-256: 80aed3683263188c781b68fd907b21f52de02dda5b20c3890aaebc660b186a08
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, disguised as a search result for 'catholic encyclopedia volume 4 pdf', redirects to a known malicious domain (ttraff.com). This suggests a social engineering attack aiming to drive traffic to malicious infrastructure, likely for further exploitation or malware delivery.

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=catholic+encyclopedia+volume+4+pdf
    • http://roxonug.greengateolivegrove.com/uploads/1/3/1/0/131069839/pulesifi.pdf
    • http://vawuvosa.stayfrosty.co/uploads/1/3/0/7/130775607/penamebibirov_lanatiba_bojijumekidexe_pexepofopumake.pdf
    • http://files.kinderdagverblijfzandopdemat.nl/uploads/1/3/1/4/131452838/waziva.pdf
    • http://files.palomarridge.com/uploads/1/3/1/4/131438137/neguja_vidumunagape.pdf
    • http://files.mrsperkinsclassroom.com/uploads/1/3/2/7/132740606/13331caad.pdf
    • https://cdn.shopify.com/s/files/1/0430/3945/7429/files/feginizogaju.pdf
    • https://cdn.shopify.com/s/files/1/0435/6135/3371/files/22186541490.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77084518355.pdf
    • https://cdn.shopify.com/s/files/1/0431/7839/3762/files/90302770026.pdf
    • https://cdn.shopify.com/s/files/1/0431/9464/6689/files/47460458319.pdf
    • https://cdn.shopify.com/s/files/1/0439/8897/5774/files/63143343733.pdf
    • https://cdn.shopify.com/s/files/1/0429/7667/3946/files/vibitadebajor.pdf
    • https://cdn.shopify.com/s/files/1/0436/9917/5579/files/how_does_akinator_work.pdf
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/zowuzaxubasevovovo.pdf
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/8968425588.pdf
    • https://cdn.shopify.com/s/files/1/0440/6784/8344/files/converter_para_autocad_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0428/7417/5644/files/automobile_repair_and_maintenance.pdf
    • https://cdn.shopify.com/s/files/1/0434/6331/1512/files/43402957010.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_off00006813.bin
0a0c5263f5c727e8b0a30d1c8898a80a0224bbffaa5f67ba19d29a66fbcd172f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6813 5276 bytes
font_01_sfnt_off000079fa.bin
d9449665ffb37d17ab0b37370037e7dc720ecad4e7913c4f835665b628dfd90e
pdf-font-stream PDF embedded font (sfnt) at offset 0x79FA 9980 bytes