MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs pointing to various domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://queure.ru/uplcv?utm_term=free+convert+pdf+to+excel+offline PDF link annotation
- http://drentmedischadvies.nl/uploads/files/lazaxoxisepopezozi.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/75106106111.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/20130296323.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/zuwolizifaze.pdfIn PDF document text
- https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/84379575444.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/mofixajikutenidisovisabi.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/wugiragunesi.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/vidut.pdfIn PDF document text
- https://kalashad.com/userfiles/file/80588452713.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/buvev.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/peposolosazaluvofop.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c01713db43---42985162671.pdfIn PDF document text
- http://thebrownbag.vn/upload/files/sedazapenilozot.pdfIn PDF document text
- http://compow.net/ckfinder/userfiles/files/setunupekeku.pdfIn PDF document text
- https://nezrenweb.com/calisma2/files/uploads/5669454107.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/wujajugewugujiroxepi.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/71621951760.pdfIn PDF document text
- https://shiokuda2.com/contents/files/zaridowisepovetegadunu.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/katofapen.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/mogogaseje.pdfIn PDF document text
- https://lmbri.com/WYSIWYGImage/file/63887366139.pdfIn PDF document text
- http://fitsiluet.cz/data/file/fixunugadax.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/luxixebam.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/ribeg.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/losurodegufigusinazowuxir.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/69055692157.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD53 | 17320 bytes |
SHA-256: ecf1b45c5d36c3a1bcc355982b58dd597cd6639b33bbc06adff1d0beb84742c4 |
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font_01_sfnt_off000109e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E7 | 10428 bytes |
SHA-256: 00349c5f1c90c35f6c188946835acf72d85c14886609dc6a709c54ca02bbd00c |
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font_02_sfnt_off000121a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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