Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c615d45f5facb4e…

MALICIOUS

PDF

40.7 KB Created: 2020-08-10 09:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9bb8bba35d61d7942cd18fa343e37d84 SHA-1: d466e3ccbb295bfbbcca52f8ecd59b57aca5e89e SHA-256: 9c615d45f5facb4e898519a830a4afe7f83187533bb961d748672447a4a92265
128 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing for a link to known malicious redirector infrastructure. The document body text, though partially corrupted, suggests a lure related to downloading a PDF converter. The presence of numerous links, including one pointing to a redirector, indicates an attempt to lead the user to malicious content, likely for further exploitation or malware delivery.

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.ru/pify?keyword=adobe+acrobat+word+to+pdf+converter+free+download
    • http://files.lizzlund.com/uploads/1/3/0/8/130874680/13aa11.pdf
    • http://files.davewallheating.com/uploads/1/3/1/3/131398369/5320992.pdf
    • http://files.pacsc.com/uploads/1/3/2/6/132681368/cb647244ad9.pdf
    • https://cdn.shopify.com/s/files/1/0437/0441/8455/files/instagram_auto_liker_script.pdf
    • https://cdn.shopify.com/s/files/1/0433/8080/1701/files/85343303956.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2674/files/2184460087.pdf
    • https://cdn.shopify.com/s/files/1/0435/7442/7806/files/zelekugizokipakirewojam.pdf
    • https://cdn.shopify.com/s/files/1/0430/6852/2657/files/10911663531.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/jet_look_what_you_ve_done.pdf
    • https://cdn.shopify.com/s/files/1/0437/8748/5342/files/49225030259.pdf
    • https://cdn.shopify.com/s/files/1/0432/6037/9286/files/66723217645.pdf
    • https://cdn.shopify.com/s/files/1/0431/3353/4369/files/87771254499.pdf
    • https://cdn.shopify.com/s/files/1/0435/1862/3896/files/dibegiwakivurifefuwidit.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_off000060ea.bin
d7c765b8d76f1c17f3a7b5ad836f436e46ac9e7fdb5f369dba2bf030cb99ae5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60EA 5252 bytes
font_01_sfnt_off000072ea.bin
0de7569a3a99deb5a7a0261bc8324dbe733e78638827145b583dd49d4541e4c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72EA 10300 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.