PDF malware analysis — malicious · 9cc193a88ce55726

MALICIOUS

PDF

43.4 KB Created: 2020-08-30 22:01:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e1d924bb423a530637cc311333d34d96 SHA-1: d4332958ceba9a4a1774cfd544b258b9b3294b9f SHA-256: 9cc193a88ce557260ca6f60eedfa13fd3286b37fd45bcf41cbda3c5437f34a1e

202 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link T1566.002 Spearphishing Attachment T1059.003 Windows Command Shell T1059.001 PowerShell

The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body and heuristics suggest a lure to install a browser extension or execute commands, likely related to a scam or malware delivery. The presence of a malicious redirector and the social engineering lures indicate a high likelihood of a phishing or malware distribution attempt.

Heuristics 5

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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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/wix?keyword=minecraft++unblocked+java
- https://static.usrfiles.com/ugd/dd4472_f04d9298c3524f7ba409a0347cfae212.pdf
- https://static.usrfiles.com/ugd/cf14a4_a23108f7f14346c2af73f1a8a27ed581.pdf
- https://static.usrfiles.com/ugd/ca32a8_801f12c919074411a655599befd4bd37.pdf
- https://static.usrfiles.com/ugd/b8c837_1587aea5e0934618be9b5e73dd47a9df.pdf
- https://static.usrfiles.com/ugd/0f1814_c6ac45d55d1b4e67a0b6530e6dfee3ef.pdf
- https://cdn.shopify.com/s/files/1/0430/8838/0061/files/ribodu.pdf
- https://cdn.shopify.com/s/files/1/0429/7415/0809/files/zosinivesokomim.pdf
- https://cdn.shopify.com/s/files/1/0432/3845/7504/files/suwowefesuxewizamawode.pdf
- https://cdn.shopify.com/s/files/1/0431/6587/6379/files/el_ser_humano_como_unidad_biopsicosocial.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/dibolideripu.pdf
- https://cdn.shopify.com/s/files/1/0432/4491/2802/files/wirofiwabazi.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/wisajivepalibuxom.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_off000061b8.bin` `92187fae8ce16da28a3d01ce502edebf789ba0bc20406da5c97a5de14d24a053`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61B8	5184 bytes
`font_01_sfnt_off0000736f.bin` `ef77c80d9503441ce10b0758651d61f028535029370bd8291f1ff73bbb4d378d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x736F	14416 bytes

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