PDF malware analysis — malicious · fdd28cd46d6442a5

MALICIOUS

PDF

41.7 KB Created: 2020-09-01 02:02:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 64d131ffe7bed46dfff6cdd85fcee81c SHA-1: a0bb1cae084955c9704ba1aeb737618551827c91 SHA-256: fdd28cd46d6442a559f0580cae13dd483b1523bd92e7f7cd41a340d4775a5447

128 Risk Score

Malware Insights

MITRE ATT&CK

T1200 Hardware Add-in T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic indicating it links to a known malicious redirector. Additionally, it features a PDF link farm, suggesting an attempt to manipulate search engine results or distribute content broadly. The presence of a visual download button lure further supports the malicious intent. The primary IOC is the redirector URL, which is likely the entry point for further malicious activity.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=letter+format+in+word
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7082322425.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0825/files/festool_router_guide_plate.pdf
- https://cdn.shopify.com/s/files/1/0440/0742/4158/files/29713676343.pdf
- https://cdn.shopify.com/s/files/1/0435/2425/9992/files/89045096117.pdf
- https://static.usrfiles.com/ugd/162fe6_fbe439a729bd4cf7abb8d9a701aadf94.pdf
- https://static.usrfiles.com/ugd/a91264_ae460774cb2846698781fbb35dc0655b.pdf
- https://static.usrfiles.com/ugd/b8c837_99ab475b41a142b8b91bf48faf579473.pdf
- https://static.usrfiles.com/ugd/bdeb4c_a71e1a33814a4719861a237e6abbb620.pdf
- https://static.usrfiles.com/ugd/61b8bf_8291c9f351374d70b02422e8e9f31baf.pdf
- https://static.usrfiles.com/ugd/0d002d_6b08751b422c4c23b3fce90e55e073b4.pdf
- https://static.usrfiles.com/ugd/ab63e3_21489a0f45024b7ca476f582d5633286.pdf
- https://static.usrfiles.com/ugd/b914b5_51a7d50cb43e4fb8825ce66af7cd49e5.pdf
- https://static.usrfiles.com/ugd/b8c837_0059d019dd9447f2a0ece78b553d13f6.pdf
- https://static.usrfiles.com/ugd/451a43_894009a3bffa41b9aa50c36641d35d55.pdf
- https://static.usrfiles.com/ugd/b9801a_99bae4285e784b3c82370c2fac4fa598.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_off000066ce.bin` `adc204b82edbae1adad21e076c520ab7efaafdfca3fdb9d9e1b6c72495c18e9c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66CE	4876 bytes
`font_01_sfnt_off00007763.bin` `78bfd0e984bddd341fefed0ca04203aef810cff8d56fc2a4aa651d36ea6c717b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7763	10288 bytes

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