PDF malware analysis — malicious · fd19baa14b6696ad

MALICIOUS

PDF

48.3 KB Created: 2020-07-26 01:07:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 91dea4c9b2b73d6dd146fff9f0fb6814 SHA-1: e73553497f3617fdfb58b2a3ee988136da52df7a SHA-256: fd19baa14b6696ad5e64f0b3c2a1f889c31b4b464654e2f9ad66fbe6664f8c3d

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, forming a link farm, with a critical heuristic identifying a malicious redirector. The primary malicious URL, ttraff.cc, is used to lure users to potentially harmful content. The ClamAV detection as 'Pdf.Dropper.Agent' further supports its malicious nature, suggesting it acts as a dropper for other malware.

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.
ClamAV: Pdf.Dropper.Agent-9524816-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-9524816-0
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/wb?keyword=bos%20indicus%20y%20bos%20taurus%20pdf
- http://files.seamnc.org/uploads/1/3/1/4/131437750/9261322.pdf
- http://files.littlesilverems.com/uploads/1/3/2/6/132682989/guguta.pdf
- http://files.woodburyspeclass.com/uploads/1/3/1/6/131607600/bovovagudiz.pdf
- http://files.hersheyblazetc.org/uploads/1/3/0/7/130738641/dinewosorajo-dudoxetaba-gadadadob-dewopik.pdf
- http://files.hersheyb
- https://cdn.shopify.com/s/files/1/0429/6635/2028/files/sokuzewusilasapiti.pdf
- https://cdn.shopify.com/s/files/1/0433/2807/7992/files/85555434467.pdf
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/65291230260.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdf
- https://cdn.shopify.com/s/files/1/0429/8909/3018/files/69348343221.pdf
- https://cdn.shopify.com/s/files/1/0428/4583/1324/files/8868898101.pdf
- https://cdn.shopify.com/s/files/1/0433/7437/9158/files/53509321131.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24413790208.pdf
- https://cdn.shopify.com/s/files/1/0435/7079/0558/files/biwokajusej.pdf
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/tuvanejavu.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2962/files/20175142613.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/77492336668.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9880/files/2014272219.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00007e7a.bin` `dc564ef5cf5ecddc0cd2ec7c73e7687fb2b9d5a6701eeb937a55829dc145046c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E7A	5172 bytes
`font_01_sfnt_off0000900c.bin` `f015ee00ae34a8b86e053ce244a472ca11fb2a7ac4caa6e633088834e645ed79`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x900C	11008 bytes

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