MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links to external websites, a technique commonly used for phishing or distributing further malware. The heuristic PDF_SEO_LINK_FARM specifically flags this behavior, indicating a link farm designed to attract traffic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of the document. The document body, while containing some seemingly legitimate text about biology worksheets, also includes these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9150
Heuristics 3
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ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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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://madwellkale.com/uploads/1/3/0/5/130551728/f48b3c.pdf In PDF document text
- http://alphachiomegaofoaklandcounty.org/uploads/1/3/0/2/130289278/6668822.pdfIn PDF document text
- http://binda-narine.com/uploads/1/3/0/5/130538818/6827d9eff7ae046.pdfIn PDF document text
- http://donnace.studio/uploads/1/3/0/6/130620952/jasaxinomara.pdfIn PDF document text
- http://drpatty.net/uploads/1/3/0/4/130436171/130436171.html#100+greatest+discoveries+in+biology+worksheet+answersIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://www.adobe.com/).NotoIn PDF document text
- http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
- http://scripts.sil.org/OFLNotoIn PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000108d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D | 8576 bytes |
SHA-256: 35eecae79fa69518a7da43041b1c111f2bc2fbc2b5c01f4890338e66d5bcd3f8 |
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font_01_sfnt_off00006742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6742 | 7028 bytes |
SHA-256: 8f13e583911256f90b68e3038e2425c8bd33d3f5becff93466e5ce8b51fa0ebc |
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font_02_sfnt_off00007902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7902 | 18180 bytes |
SHA-256: f6697e512318185cffbafdf94c00e59efb149c64b6a5c5256271263542c89fd0 |
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font_03_sfnt_off00009251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9251 | 1556 bytes |
SHA-256: 736cd2d33175a5a13ef050b14347fdc238d98c9b1a4a011ca05e63a00a87de6d |
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font_04_sfnt_off000099c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C4 | 4288 bytes |
SHA-256: f8e3eb5de180309ac9276b1663882b47f5533fa144f0e8b762054ff312f83c91 |
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font_05_sfnt_off0000a6fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6FD | 2956 bytes |
SHA-256: c66de6c739f7ec46f9d6e525674994d2658400730b9a877748a6643f20d92723 |
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