PDF malware analysis — malicious · 880b2269c6149ee5

MALICIOUS

PDF

55.1 KB Created: 2020-09-04 19:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bc880baaa974d5089f79a04d622bb499 SHA-1: 28966dbd4ee2dac341454018012e24e97c67e842 SHA-256: 880b2269c6149ee599e577cdfedc72ed62e0e4ee50814c89556a76ff199c74cd

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a prominent link to 'ttraff.me', identified as a malicious redirector. The document body, though heavily obfuscated, includes this URL and references an 'audio song', suggesting a lure to entice users to click the malicious link. The presence of numerous external PDF links further indicates a link farm, a common tactic for SEO poisoning or distributing malicious content. The ML classifier strongly flagged this PDF as malicious.

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.me/wix?keyword=anuragini+itha+en+karalil+audio+song
- https://static.usrfiles.com/ugd/bcfc12_6b860606e3bb438e8f7fc79db98700a6.pdf
- https://static.usrfiles.com/ugd/be19e1_95073803a8d5489c920ed2e97cff4b78.pdf
- https://static.usrfiles.com/ugd/b7306e_06eda1da910143dbb004ecadd99847be.pdf
- https://cdn.shopify.com/s/files/1/0459/0102/1338/files/konelogekupaluxavosilodu.pdf
- https://cdn.shopify.com/s/files/1/0434/4827/1000/files/padigudok.pdf
- https://cdn.shopify.com/s/files/1/0437/1379/0106/files/fozogikaxidagedum.pdf
- https://static.usrfiles.com/ugd/1f5cef_e8553c5e5450427aa63f783c736cf567.pdf
- https://static.usrfiles.com/ugd/3d514e_9321a3de787c4da2b01309121520da49.pdf
- https://static.usrfiles.com/ugd/0c41e7_bcf030bbe56d4c0a925074708efa9e36.pdf
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/bipafuzuzibazoloweda.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/inalienable_rights_definition.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005d9b.bin` `08611d62553d8d1781f3594d68f1f999f74e864418afac5bd96b897b3739a725`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D9B	5140 bytes
`font_01_sfnt_off00006f04.bin` `23e1818c1766d7d48bd8c9743d9561eb28f0dc63077da13f86abbd78dd52a29f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F04	4788 bytes
`font_02_sfnt_off0000809f.bin` `456954f9d430fd28d6928dfc90ac0a50882484b43f0410a5fbbd3f5c068b29e6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x809F	2312 bytes
`font_03_sfnt_off00008b2b.bin` `bf98b6688cd2b2beb8df1aa88c561d7f85f6190a926f48eec787bf32890b5938`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B2B	14480 bytes
`font_04_sfnt_off0000b8df.bin` `213a6ab797dc35435dc408fc8c1cfa058450217142279b1e22f23a6708e491d3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB8DF	16368 bytes

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