PDF malware analysis — malicious · cb7873317b1f19bc

MALICIOUS

PDF

40.9 KB Created: 2020-07-26 17:00:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 02bdf0f8bf2b8243871efde95753b24b SHA-1: 5fc8d765cf0d2424bf97251f57c6445f9ffe7a10 SHA-256: cb7873317b1f19bc851e1f2863e37d714072e028e4819995528d698cef7da79b

160 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a link farm. The 'SE_CLICKFIX' heuristic suggests the document is designed to trick users into executing commands, a common social engineering tactic. The primary malicious URL identified is https://ttraff.cc/pify?keyword=bluetooth+4.+0++for+windows+10, which likely serves as a gateway to further malicious content.

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.
ClickFix social engineering attack high SE_CLICKFIX

Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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/pify?keyword=bluetooth+4.+0++for+windows+10
- http://files.playwithfireproductions.com/uploads/1/3/1/6/131637640/7876238.pdf
- http://files.positivelypinckney.com/uploads/1/3/0/7/130739916/9407002.pdf
- http://files.surfacedance.com/uploads/1/3/1/3/131380083/fiserijuguwufufotiso.pdf
- http://files.ghostinspectors.com/uploads/1/3/0/7/130775249/7430753.pdf
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/56205623830.pdf
- https://cdn.shopify.com/s/files/1/0433/8014/6339/files/33354095714.pdf
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/4411728723.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdf
- https://cdn.shopify.com/s/files/1/0434/4777/9478/files/galetudiri.pdf
- https://cdn.shopify.com/s/files/1/0430/0242/9593/files/nijuwimenalozexa.pdf
- https://cdn.shopify.com/s/files/1/0432/7879/4920/files/63645636646.pdf
- https://cdn.shopify.com/s/files/1/0432/4560/0936/files/dezoduxas.pdf
- https://cdn.shopify.com/s/files/1/0433/8342/3126/files/jajidopi.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/93724075252.pdf
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/zizedepavodawowafuk.pdf
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/79687635553.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_off00006204.bin` `be8caf7d37332639934bcab91bc728abdac7179ce2c205e518a5b778f5de5d9a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6204	5124 bytes
`font_01_sfnt_off0000738c.bin` `6336cb9d712152ca0c3435c99e4cb397570e8f93b2f34b59812b66a3c91ad232`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x738C	10356 bytes

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