MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to domains associated with link farms or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a spearphishing attachment designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://aboss.by/sites/default/files/webform/zivexovoburowunaxomenip.pdf
- https://www.a1touchsolution.nl/sites/default/files/87400145234.pdf
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/2923424149.pdf
- https://www.mothercare.ro/sites/default/files/webform/resumes/jevosofotabotasif.pdf
- https://www.afscme65.org/system/files/webform/tikat.pdf
- https://www.a1touchsolution.nl/sites/default/files/26511902049.pdf
- http://spotlight-sites.com/sites/default/files/webform/sizewavajifur.pdf
- http://cicatsalud.com/html/sites/default/files/webform/sidetarebuw.pdf
- https://aboss.by/sites/default/files/webform/76513539396.pdf
- https://www.woonsocketri.org/system/temporary/webform/kebadewanizokodijixupid.pdf
- http://www.birdlifebotswana.org.bw/sites/default/files/webform/sightings-sketches/fipeforivu.pdf
- http://cicatsalud.com/html/sites/default/files/webform/99368311749.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=dell+m4800+battery+not+charging
- https://www.vub.be/sites/vub/files/webform/ludazerubadariwevulefaxu.pdf
- https://gradfutures.princeton.edu/system/files/webform/49692556615.pdf
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/86402477901.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce0e.bin00a6a354fd498c365b16f209ab71ce6d2159f7811813288823fe5c79425ae0ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE0E | 5700 bytes |
font_01_sfnt_off0000e15d.bin99f498058cf5187bf3ddcd1d1ee0dd33d0b768db6ae7a3e12b75086fd5b61a35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15D | 10360 bytes |
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