MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected by ClamAV as a phishing trojan and flagged by an ML classifier with high confidence. It contains numerous embedded URLs, many of which are structured as link farms, suggesting an attempt to redirect users to malicious sites. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9810
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://www.birdlifebotswana.org.bw/sites/default/files/webform/sightings-sketches/12812059159.pdf
- http://oaklandchildcare.org/sites/default/files/webform/71502920023.pdf
- https://www.cdcplumbing.com/sites/default/files/webform/contact-us/65589142167.pdf
- https://www.dgs-interparts.be/sites/default/files/xufatonapa.pdf
- http://cicatsalud.com/html/sites/default/files/webform/21030689395.pdf
- https://web.liderpapel.com/sites/default/files/webform/xikamiwaboloz.pdf
- http://portal-mysigma.com/system/files/student-proof/62332338419.pdf
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/15194676649.pdf
- https://www.telluridescience.org/sites/default/files/tstc-applications/kuvusuwube.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=the+longest+ride+nicholas+sparks+full+movie
- https://lib.asu.edu/system/files/webform/midari.pdf
- https://printandmail.princeton.edu/system/files/webform/85064040694.pdf
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/7842358922.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d627.bind98c4517eccde1f32434a5a3e7a5e3c5f48ac179244936400c6f8ccce8abaaa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD627 | 5524 bytes |
font_01_sfnt_off0000e8cd.bindb55c8fdadd1ed2511c2372fc310d0468aadae601588cb9b1cf94463ea378e52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CD | 10956 bytes |
font_02_sfnt_off00010dd0.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD0 | 4324 bytes |
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