MALICIOUS
92
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, forming a link farm. This is indicative of SEO manipulation or a redirection scheme to host malicious content. The ML classifier also flagged the PDF as malicious, supporting this assessment. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.8959
Heuristics 2
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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 http://photo-file.ru/index.php?article=234.1&wehsa=1&pdf=234
- http://krummenacher-haustechnik.ch/index.php?article=2021.1&ptfan=1&pdf=2021
- http://casarosso.com.tr/index.php?article=937.1&gdggi=1&pdf=937
- http://photo-file.ru/index.php?article=1449.1&wehsa=1&pdf=1449
- http://www.amenagementboislyon.com/index.php?article=2388.1&jnfas=1&pdf=2388
- http://photo-file.ru/index.php?article=1966.1&wehsa=1&pdf=1966
- http://www.mantrabeautybar.ca/index.php?article=1820.1&rukbv=1&pdf=1820
- http://www.fabulaeventos.com.br/index.php?article=1874.1&ipwdu=1&pdf=1874
- http://www.robinprime.com/index.php?article=342.1&bedxv=1&pdf=342
- http://photo-file.ru/index.php?article=1124.1&wehsa=1&pdf=1124
- http://photo-file.ru/index.php?article=2487.1&wehsa=1&pdf=2487
- http://photo-file.ru/index.php?article=2495.1&wehsa=1&pdf=2495
- http://www.ivanandpamela.com/index.php?article=490.1&tekgj=1&pdf=490
- http://photo-file.ru/index.php?article=875.1&wehsa=1&pdf=875
- http://www.authenticness.com/index.php?article=1950.1&aqdto=1&pdf=1950
- http://photo-file.ru/index.php?article=1209.1&wehsa=1&pdf=1209
- http://fresh2death.com/index.php?article=562.1&lzrlo=1&pdf=562
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_000_off000002e7.jsc802f45f1f90bc6ef6ec50b3d31b5747897a9873e78d00781aa37c2e06ab6888 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2E7 | 13049 bytes |
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