MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple heuristics, including PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM, indicating a high likelihood of malicious intent. The presence of numerous external links, many hosted on disposable domains, strongly suggests a phishing or link-farming operation designed to lure users to malicious sites. ClamAV detection further confirms the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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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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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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://archism.ru/uplcv?utm_term=what+is+the+basic+unit+of+structure+and+function+in+living+organisms PDF link annotation
- http://badaranquehablar.com/userfiles/files/jetamomugiroda.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/tatagefude.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/bikalevamunopor.pdfIn PDF document text
- https://maintogelonline.bet/contents/files/7949804997.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1cd741e14---39432270155.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16155a3c640b38---85114476685.pdfIn PDF document text
- http://srtcivilnorth.com/ckeditor_file/files/pabuzetufegozijagopamopa.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/45413066724.pdfIn PDF document text
- https://kueapem.com/contents/files/25050545579.pdfIn PDF document text
- https://communitytreasures-co.ravebusiness.com/gbe/useruploads/blogs/files/makemoxurawuborexitep.pdfIn PDF document text
- http://lechioutdoor.com/userfiles/file/paratuzaju.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/97334344836.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/wugifevuwutalurejava.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/janenujejozineg.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/sanovodawalexuwurov.pdfIn PDF document text
- http://synagoge-stommeln.de/ckfinder/userfiles/files/44652300223.pdfIn PDF document text
- https://www.informacion-indoorclub.com/boletines/img/file/93785901296.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/63249218949.pdfIn PDF document text
- http://mrybalko.ru/files/74529069983.pdfIn PDF document text
- https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/fubok.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/sewififoz.pdfIn PDF document text
- https://psicologopsicoterapeutaemdrtorino.it/uploads/file/84287747789.pdfIn PDF document text
- https://paidionresearch.com/userfiles/files/36661441633.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/mapomijufapiwot.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zodamulitawexiguno.pdfIn PDF document text
- http://jarauwerdaenzn.nl/userfiles/file/62561494883.pdfIn PDF document text
- http://mptech.vn/ckfinder/userfiles/files/zutoxujexev.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_off0000bc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC1A | 15824 bytes |
SHA-256: eaace1b372dfee9ae0e64f1f44be14e7fdee19815d4617271c47c17d0ff63069 |
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font_01_sfnt_off0000e3fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC12 | 11220 bytes |
SHA-256: d0449758bbfc0f41562dd253906eeee464f1c3b5b226f31519e0fc111e234dc9 |
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