PDF malware analysis — malicious · 447dd2feea890bc7

MALICIOUS

PDF

56.8 KB Created: 2020-09-01 18:10:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9ec78833505e9074de0933940c48bf0c SHA-1: 2eacfdaf1f344ba12628e014208d4c3d7dfa5927 SHA-256: 447dd2feea890bc7cd14d8318e191da2a219b31abe7e87cb7e5928fa4d57aee6

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to lure unsuspecting users to malicious content. The document body, though heavily obfuscated, contains the same URL, suggesting it is the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded links, further supporting the redirection attack pattern.

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.cc/wix?keyword=animasi+ppt+template
- https://static.usrfiles.com/ugd/b8c837_b2a7b9e453ab42369fa6184c26b403f4.pdf
- https://static.usrfiles.com/ugd/d4da64_ee8b6a08a2124dda9ebc6ae51f763f29.pdf
- https://static.usrfiles.com/ugd/b8c837_c1c55af24b0a4521af701ff3025378bd.pdf
- https://static.usrfiles.com/ugd/69695d_a7651573a2764d00a2d19048d3fa7ec5.pdf
- https://static.usrfiles.com/ugd/8e1900_dd5583915836411b925a2354cb195aac.pdf
- https://static.usrfiles.com/ugd/0789d5_eb849657187b4a66aa2b50eead949bf0.pdf
- https://static.usrfiles.com/ugd/30e015_8ecc3e10b3a142368582c845fbd07b61.pdf
- https://static.usrfiles.com/ugd/a0905b_4f425f5243b34a34889365e666290479.pdf
- https://static.usrfiles.com/ugd/67f5f7_5a8c261379b349c1ac4d7d2cec988231.pdf
- https://static.usrfiles.com/ugd/7f16bd_6f6973d064b0488aae32b55466351d9f.pdf
- https://static.usrfiles.com/ugd/e5a943_1f54e5f705bf496db2b9b0af0ea85f7a.pdf
- https://static.usrfiles.com/ugd/b8c837_28fac90fa32549fab076ee66f0d9fae5.pdf
- https://static.usrfiles.com/ugd/a382ee_626cdc1dfd124359ae1928edd5fbb98b.pdf
- https://static.usrfiles.com/ugd/ceb2e8_829f0499659b44ac88925911f4a77b0f.pdf
- https://static.usrfiles.com/ugd/3e5d97_8945948b824643bdaee9547e57fe5264.pdf
- https://static.usrfiles.com/ugd/08fe48_fa81f4d6f0a8420e972b1f2e5754c89b.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_off0000a2b6.bin` `f9a30b56a2ac5eaefcc0b98f7256213bf783f50f9a9e8b64e6c2d6f1c7938203`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA2B6	4856 bytes
`font_01_sfnt_off0000b326.bin` `d4694ea47abc1709d2a46e2513de35160702d33091bec6e4ae3244fb4503546a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB326	10296 bytes

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