PDF malware analysis — malicious · f43698096d07a0f6

MALICIOUS

PDF

78.7 KB Created: 2020-09-01 04:59:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 557e67867058bdb4b76625247c9908b7 SHA-1: bf3840629e6c255da1a3ef13d7600c8f71e906e4 SHA-256: f43698096d07a0f676c6e2cfc8907c35e51bf19e6f731b6682d866acdc5310d4

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that redirect to a malicious URL, specifically 'https://ttraff.cc/pify?keyword=movies+kannada+2017'. This URL is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the same redirector URL, suggesting it's the primary lure. The PDF also hosts a large number of external links, many pointing to static.usrfiles.com, which is identified as a link farm. No scripts were extracted, but the presence of a malicious redirector strongly indicates a phishing or malware distribution attempt.

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/pify?keyword=movies+kannada+2017
- https://static.usrfiles.com/ugd/77eba6_6a6c619bcf944a33af4bd213c7701aaf.pdf
- https://static.usrfiles.com/ugd/b8c837_19e7d8f9dffa49db80747831204b553c.pdf
- https://static.usrfiles.com/ugd/69b86f_42b51fb909144a1bab592956e1ed5bff.pdf
- https://static.usrfiles.com/ugd/b8c837_37ebca5215094a1cb1e566d6df96baff.pdf
- https://static.usrfiles.com/ugd/963627_ec1b56aa12e847f384155b423aaae873.pdf
- https://static.usrfiles.com/ugd/74e905_e668073cc50c442180946b140e84dbed.pdf
- https://static.usrfiles.com/ugd/67e251_78e2ac501ffe49dc86d12d8687f241c0.pdf
- https://static.usrfiles.com/ugd/cc14e4_d3f1b623192e46bdbe428b7c1990d04c.pdf
- https://cdn.shopify.com/s/files/1/0434/1556/8546/files/tulegeg.pdf
- https://cdn.shopify.com/s/files/1/0429/5576/7967/files/kifuxar.pdf
- https://cdn.shopify.com/s/files/1/0430/0334/7098/files/55673817417.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2494/files/43341411041.pdf
- https://cdn.shopify.com/s/files/1/0434/1753/4629/files/kilezadozedageloke.pdf
- https://cdn.shopify.com/s/files/1/0437/2873/2314/files/nebomuxapuzeweberekutezi.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_005_off0000e7d8.bin` `f29213eeacb62007386ccaa10d34d8bb3a8b7fd1d12233c1c9b6a5e0b1671084`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xE7D8	7360 bytes
`font_00_sfnt_off0000d5df.bin` `7b45d4f4e11b1bb00aa5c1dff0eb7ecc4fe6656e484d18f3a10e380343d95ac6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD5DF	5224 bytes
`font_02_sfnt_off0000fd0e.bin` `6bd8004cb0a90b5a007d514b936cc4123e973f9c5e57512780fcd61b441f7faa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD0E	15076 bytes

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