MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. It also features numerous external links, including one identified as an algorithmically-generated URL on potentially disposable hosting, suggesting an attempt to redirect the user to a malicious site. The ClamAV detection and ML classifier further support its malicious nature, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://carscaso.com/js/upload/files/xurodefovipalivobobidi.pdf In PDF document text
- http://iehyun.com/editorupload/file/65042654185.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/21115508504.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133cd48c1f2f---xekolewutazezotobe.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/vilidusoratovukegex.pdfIn PDF document text
- http://bctlorraine.org/userfiles/file/42922926198.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/83336149034.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/paxovomarapevufen.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/gefiduwuluxi.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/79554232645.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/lamobenu.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hd7dsbvj8ff7cp8886tcsfn574/janoramejuj.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/sigip.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/49040843991.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/nulorudibiduxit.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/2763110082.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/43226128653.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/dumimejifutilul.pdfIn PDF document text
- https://rjpexport.com/files/seruvileregazub.pdfIn PDF document text
- http://njboyuanchem.com/upload/files/75597997310.pdfIn PDF document text
- http://olynskiconstruction.com/pics/file/79579174754.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/gawupefipuzanefawuvusa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=the+ultimate+fighter+season+29+onlinePDF link annotation
- 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_off0000afb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB3 | 14500 bytes |
SHA-256: b007f1d80502ccf519c085d50cd9e5e9b4402dd86f455b83efffb950dbb498c1 |
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font_01_sfnt_off0000d3cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ebe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE2 | 11012 bytes |
SHA-256: b3d6f32b93a1611a9019567bc3400da3d3416e1f54c95b46e4056083456e56df |
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