PDF malware analysis — malicious · 9c37b1b2bd66a01a

MALICIOUS

PDF

45.9 KB Created: 2020-09-01 09:11:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 51b675e7516f82ecffd415e6c09249ad SHA-1: f1df5488a4d1b9366e36ca0d01551513935a1529 SHA-256: 9c37b1b2bd66a01a9c87a456bec582781b2191231e9160d6b837fa2e5bfeb05f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains embedded links that redirect to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, suggests a lure related to a 'dynamics 365 october 2019 licensing guide'. The presence of a large number of external links, as indicated by PDF_SEO_LINK_FARM, further supports a malicious intent to drive traffic to potentially harmful sites.

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/wix?keyword=dynamics+365+october+2019+licensing+guide
- https://static.usrfiles.com/ugd/3ab5ed_5711e0d522b04d6cadf72c7806508b2b.pdf
- https://static.usrfiles.com/ugd/b77b08_761411e8a5e14851951d4420a7568c53.pdf
- https://static.usrfiles.com/ugd/7603ae_2e0865e4812441408e08a722af482ee5.pdf
- https://static.usrfiles.com/ugd/b8c837_1a50513b71d841099b13879ecfc9f6ef.pdf
- https://static.usrfiles.com/ugd/111c46_7471dce4023547acb3ddbd6893bf34d4.pdf
- https://cdn.shopify.com/s/files/1/0438/3975/0294/files/zakevusesije.pdf
- https://cdn.shopify.com/s/files/1/0457/8190/9660/files/84872303621.pdf
- https://cdn.shopify.com/s/files/1/0427/7354/5116/files/zowakiwagi.pdf
- https://cdn.shopify.com/s/files/1/0441/4416/5016/files/masuvotofugiligigujawuk.pdf
- https://cdn.shopify.com/s/files/1/0437/5855/1189/files/ruger_1022_disassembly.pdf
- https://static.usrfiles.com/ugd/e2c250_c0de7515ad6c44228086d52004a3af3e.pdf
- https://static.usrfiles.com/ugd/b8c837_0d364dab46e24a209039d58dd30071b8.pdf
- https://static.usrfiles.com/ugd/b8c837_8851dfdb54e04661ba2ea098443a24b2.pdf
- https://static.usrfiles.com/ugd/4d400c_eb48514871894a578ac01ba7e803d99d.pdf
- https://static.usrfiles.com/ugd/a2c2bc_870abcc37cb44ca98a36db7f71f7be7b.pdf
- https://static.usrfiles.com/ugd/b8c837_ac4be774ca5b438e9e2f23ee1d73a232.pdf
- https://static.usrfiles.com/ugd/b8c837_dc86ab8a4433493baa4009303d39af6d.pdf
- https://static.usrfiles.com/ugd/9c43ec_37cc76e746134f4c960e6c383f99a2ee.pdf
- https://static.usrfiles.com/ugd/93c935_a17381f6c2024920aa9e5c05d1ccb1b1.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_off00006f42.bin` `4523e23391a59646dd943832a54d7003979c375c6ef0eeee7da6347d06724390`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F42	6424 bytes
`font_01_sfnt_off00008505.bin` `313e30e776d76d320d63aaf8d6841d276af81d850cf0a9ba63c1cdb269df3373`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8505	10896 bytes

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