Malicious PDF — malware analysis report

Static analysis result for SHA-256 976ff9167661268c…

MALICIOUS

PDF

44.3 KB Created: 2020-08-04 11:55:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 549f97126ba32a90dd15266de35994c0 SHA-1: 0e098bf3533bf8ea7dcd493e7723208fd1f7e016 SHA-256: 976ff9167661268c935df74906e921ab362a608c6b1822aecd1a5a4faa608c54
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a manual for a Husqvarna automower. The document also contains a large number of links to other PDFs hosted on Shopify, likely as part of an SEO spam campaign to improve search engine ranking for malicious content. No scripts were extracted from this sample.

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=husqvarna+automower+315x+bedienungsanleitung+pdf
    • http://files.codeofbehaviour.com/uploads/1/3/1/3/131383483/tapizugaliwen-sarar-tirikumelifutuv-popivuxopade.pdf
    • http://files.climbstation.com/uploads/1/3/1/6/131636689/lufezosogobujumuze.pdf
    • http://files.professorwillis.com/uploads/1/3/0/9/130969819/3536095.pdf
    • http://files.smokestopvapes.com/uploads/1/3/1/6/131606487/namurimulagen_buvajexolovewob.pdf
    • https://cdn.shopify.com/s/files/1/0431/1223/5174/files/allison_transmission_repair_manual_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0430/9113/2567/files/lafemovegokagakabijifakeg.pdf
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/dipomerul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajomuxufukurojudi.pdf
    • https://cdn.shopify.com/s/files/1/0431/6381/1997/files/hepatic_encephalopathy_review_article.pdf
    • https://cdn.shopify.com/s/files/1/0435/6761/2063/files/sharper_image_dx_4_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/8570/9987/files/nodalewoledomivazifobet.pdf
    • https://cdn.shopify.com/s/files/1/0440/9622/5432/files/bb_apps_world_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/9952/1181/files/vunomes.pdf
    • https://cdn.shopify.com/s/files/1/0427/8432/5798/files/29572799175.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_off00005e1f.bin
04a835f143736dd579fb66ed8daf12e7117ae319e7454a719b8e51d3d31e2236		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E1F 6148 bytes
font_01_sfnt_off00007309.bin
1ceacaf0ea0753cfaa5836aafcbcb13c72b69740b836f40296315d278e01aa6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7309 15848 bytes

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