PDF malware analysis — malicious · 278647909d968edf

MALICIOUS

PDF

42.7 KB Created: 2020-08-30 17:48:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b7203ce4fadc03b420596e0cc6f19324 SHA-1: fa42563629d42f75cefe79a5479440a06d85d544 SHA-256: 278647909d968edf1382930707d81e03f8404d02ab3ab1ba073a979e29c562eb

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL, https://ttraff.cc/wix?keyword=larva+cartoon++mp4, is likely used to lure users into a phishing or scam campaign. The presence of numerous other PDF links suggests an attempt to obscure the malicious intent or to distribute further malicious content.

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=larva+cartoon++mp4
- https://cdn.shopify.com/s/files/1/0432/8488/9758/files/81465135576.pdf
- https://cdn.shopify.com/s/files/1/0437/1211/8952/files/36315940209.pdf
- https://cdn.shopify.com/s/files/1/0439/7072/3998/files/34708526129.pdf
- https://static.usrfiles.com/ugd/b8c837_2f4c05d4cd9f4809ad1a8fb468ce694b.pdf
- https://static.usrfiles.com/ugd/b8c837_b556b6a3dcc648a1869f666da74c7f8d.pdf
- https://static.usrfiles.com/ugd/b28561_4e9612af65704b96841edfd73eb15a2c.pdf
- https://static.usrfiles.com/ugd/d4da64_e8dde384ff0c4d27b5caff8554b63a13.pdf
- https://static.usrfiles.com/ugd/b8c837_ec985512e30b4ddb903b19c45d0dd4e6.pdf
- https://static.usrfiles.com/ugd/4b7290_3f8f11a03b624fc5bdc82251c6716bd3.pdf
- https://static.usrfiles.com/ugd/b8c837_f1c45884a71143b18055d956689e6f83.pdf
- https://static.usrfiles.com/ugd/b8c837_a89861ec2d0148a5bc7c1a34fe376d43.pdf
- https://static.usrfiles.com/ugd/b8c837_a4f957d428584da5bba5d44e72cf1a90.pdf
- https://static.usrfiles.com/ugd/3f80ec_c7828c08723f471baf470ca49be60b91.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
`font_00_sfnt_off00004320.bin` `3db945934f57cd13e16213fce5ffb172c05931b2cc412d9d47aec49785ab73a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4320	4956 bytes
`font_01_sfnt_off000053f2.bin` `663f315f750f4423ded8010c536080747ca218fced7bd61aa483bf62b883d929`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53F2	13772 bytes
`font_02_sfnt_off00007eff.bin` `96ab3042575e6db92b7bad1aac42ed8095504d59665b3326cf7857e97d54a14f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EFF	18776 bytes

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