PDF malware analysis — malicious · e05f44b01689705a

MALICIOUS

PDF

37.4 KB Created: 2020-08-29 18:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 06ddc9ec3c498eaab077d43a83604784 SHA-1: 33c5142a67dc7fd85a510d551e4c8fdcad1532cf SHA-256: e05f44b01689705a556dafde96932ee0bf7afe0b7a05ffe1a4ac64880c30aa20

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=honey+we+shrunk+ourselves+torrent'. This indicates the document's primary purpose is to trick users into visiting this malicious URL, likely for further exploitation or phishing. The presence of numerous other PDF links, many hosted on Shopify and static.usrfiles.com, suggests a link farm or SEO poisoning tactic to distribute the malicious content. No scripts were extracted, and the document body is heavily obfuscated, but the malicious redirector is the clearest indicator of intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=honey+we+shrunk+ourselves+torrent
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/31954111243.pdf
- https://cdn.shopify.com/s/files/1/0432/6712/9504/files/android_9_one_ui_1._1.pdf
- https://cdn.shopify.com/s/files/1/0434/7812/2649/files/kasebewewobepevisuxosik.pdf
- https://static.usrfiles.com/ugd/b8c837_f69ea42282094b68bd592068c6598635.pdf
- https://static.usrfiles.com/ugd/b8c837_03e9a6fc9f304463a1828aca2eb07652.pdf
- https://static.usrfiles.com/ugd/32777b_aa1ea8eba13649d18fb509c7cfee9d38.pdf
- https://static.usrfiles.com/ugd/b8c837_5167833261fc4b72981edf6fb16a98b9.pdf
- https://static.usrfiles.com/ugd/b8c837_5c21f3a9479542fc966c7fa7896050f6.pdf
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/5508225062.pdf
- https://cdn.shopify.com/s/files/1/0429/8611/1137/files/mewinebav.pdf
- https://cdn.shopify.com/s/files/1/0440/5159/5429/files/pathfinder_andoran.pdf
- https://static.usrfiles.com/ugd/b8c837_c90be221867b471ab1ce3eec6149f1c0.pdf
- https://static.usrfiles.com/ugd/7598fa_fa26555215e448b08c68b59756b06c15.pdf
- https://static.usrfiles.com/ugd/b8c837_d69cf6a77077402485e9425218dd4ffc.pdf
- https://static.usrfiles.com/ugd/b65acf_b5a420e397fc4012b0986b19c2f395c2.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_off00005487.bin` `2569fbfa5b05965e89cb35c6973b7164d77e66bbb2df49400b341dacb31d70f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5487	4844 bytes
`font_01_sfnt_off0000650d.bin` `c85c457e20277ffd03a51c632fc9a235e413cd92b8ce68dfd44cd027444888ef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x650D	10580 bytes

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