Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ac6a985f6932d8…

MALICIOUS

PDF

42.3 KB Created: 2020-09-01 01:52:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: edbb574e457c7907b560bbb2c86224c3 SHA-1: ffaa4500b4498e6cfea4bcd59d566fd7f471ddf8 SHA-256: 49ac6a985f6932d84539cb3497bd70bd6b682537e29c850c412620eb87994710
130 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'collision reporting centre' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm heuristic further indicates an attempt to distribute content or traffic.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=collision+reporting+centre+whitby+ontario
    • https://cdn.shopify.com/s/files/1/0435/6558/0437/files/english_to_french_dictionary_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/7093/8533/files/78366211129.pdf
    • https://cdn.shopify.com/s/files/1/0432/8259/6004/files/10608039301.pdf
    • https://static.usrfiles.com/ugd/b8c837_f792ba54f7334e22b0ec3c5a7773eb15.pdf
    • https://static.usrfiles.com/ugd/599026_7802986491004d339744600be659cc04.pdf
    • https://static.usrfiles.com/ugd/4e6dd5_eced175a129d4105971096d55ec3453c.pdf
    • https://static.usrfiles.com/ugd/6cfc61_73057564d63741e286084d65e9640304.pdf
    • https://static.usrfiles.com/ugd/3ab5ed_f25de78a8320434ca4f90b8e16d584f3.pdf
    • https://static.usrfiles.com/ugd/b8c837_e3412b6fb3b5451aa6a36a134e74a7df.pdf
    • https://static.usrfiles.com/ugd/1ee69b_d5aa84d879de4169bbf9ffacb7c5f251.pdf
    • https://static.usrfiles.com/ugd/0d002d_da8d4e8f02b14cf5ba679a4f146bf3d8.pdf
    • https://static.usrfiles.com/ugd/2274a7_292712707ff842a58e01d103baed5b68.pdf
    • https://static.usrfiles.com/ugd/b8c837_9b0baae31ebb478ab4b0076d79f0c987.pdf
    • https://static.usrfiles.com/ugd/0d002d_76dd38af03ba4f7887a4c0e7e4a9d55a.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_off000064f2.bin
77bad99e5c0c80fefbf814c5f8c970a9060a524e46f332402e6637bed961b710		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64F2 5436 bytes
font_01_sfnt_off0000777a.bin
766f61595c8059d7c8934ff87bfec1aaa27e38bc6c2633462c5a74e33f5ab31e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x777A 11152 bytes

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