MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest the document is designed to redirect users to potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded links point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9856
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 https://www.a1touchsolution.nl/sites/default/files/51131620028.pdf
- https://www.enwidth.com/sites/default/files/webform/resumes/79062027218.pdf
- https://www.jwico.com/sites/default/files/webform/xojisipet.pdf
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/pefusoxewirevujilo.pdf
- https://www.enwidth.com/sites/default/files/webform/resumes/17232120942.pdf
- https://www.woonsocketri.org/system/temporary/webform/viwubamonutimujogigifowi.pdf
- http://www.pbttphtk.gov.my/sites/default/files/webform/33269367294.pdf
- http://cicatsalud.com/html/sites/default/files/webform/93477879009.pdf
- https://www.blplegal.com/sites/default/files/webform/piselusani.pdf
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/45910982832.pdf
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/30199048500.pdf
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/bekam.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=rom+pokemon+x+para+citra+android
- https://campusrec.princeton.edu/system/files/webform/wawojamifot.pdf
- https://minorsoncampus.princeton.edu/system/files/webform/posilo.pdf
- https://minorsoncampus.princeton.edu/system/files/webform/jawugu.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d193.bin96ce7800fdab58b0fc1c61d66e7ef07098e86b9334d44485f1df50b4617bd7db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD193 | 5148 bytes |
font_01_sfnt_off0000e309.binb5776866d28a63aade1a82adec9c3c8a1f25f7d287b31270104da150d8591d61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE309 | 10692 bytes |
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