Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8b5468937cbf4f7…

MALICIOUS

PDF

51.5 KB Created: 2020-08-11 07:18:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a2802501ce3bc9baac7b012fcda5500 SHA-1: df5a7594b04a6895b89d43a4fe74d62496d9c929 SHA-256: c8b5468937cbf4f7fa853bb9ad680997291f2169dc0e5bbab54717d2731c7c73
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Addends T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.com/wb?keyword=reaction%20d'oxydo%20reduction%20cours%20pdf`. This indicates the document's primary purpose is to redirect users to potentially harmful sites. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, further supporting the malicious intent of driving traffic to external resources. 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/wb?keyword=reaction%20d
    • http://files.radiantearthling.com/uploads/1/3/0/7/130775529/2fa1596d0afa34c.pdf
    • http://files.enterhisgatescamp.com/uploads/1/3/0/7/130740255/zujef.pdf
    • http://jijedipa.stockdissector.com/uploads/1/3/1/6/131637814/senobezasija.pdf
    • http://veteradix.simonegessler.com/uploads/1/3/0/9/130969465/9ed9d.pdf
    • https://cdn.shopify.com/s/files/1/0428/3462/4679/files/6398773226.pdf
    • https://cdn.shopify.com/s/files/1/0430/4653/5322/files/12413523309.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67142307476.pdf
    • https://cdn.shopify.com/s/files/1/0440/7253/4168/files/history_of_buganda_kingdom.pdf
    • https://cdn.shopify.com/s/files/1/0434/6370/4738/files/jiwokij.pdf
    • https://cdn.shopify.com/s/files/1/0434/6439/2866/files/rusevulozarunodarazu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8120/3861/files/alimentacion_saludable_vegetariana.pdf
    • https://cdn.shopify.com/s/files/1/0429/5560/4134/files/jafaves.pdf
    • https://cdn.shopify.com/s/files/1/0435/1960/6936/files/42302224717.pdf
    • https://cdn.shopify.com/s/files/1/0431/8022/8768/files/xesazunimawowesepi.pdf
    • https://cdn.shopify.com/s/files/1/0440/7810/4728/files/doom_3_absolute_hd.pdf
    • https://cdn.shopify.com/s/files/1/0434/0593/4757/files/alternate_segment_theorem_worksheet.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_off000085e4.bin
e8d5ac5b392a195dd035c143fc2b5adcc3743b2cba2118201a4b74faec80f478		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85E4 5328 bytes
font_01_sfnt_off00009827.bin
47784b6a5f6145db4bb381667ac14d7c6306e5e44d46e519bc6824ae68ed6fae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9827 12656 bytes

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