MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document contains numerous links to potentially disposable hosting, aiming to obscure the true destination. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://elskup.pl/images/assets/file/liwaboguxuxunewiti.pdf In PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/meganurujijorunewi.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/fixikepiwivabexexifi.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/57958464204.pdfIn PDF document text
- https://easy2ticket.com/upload/files/72652477664.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/28556164928.pdfIn PDF document text
- http://hacsbathtarntaran.org/~/userfiles/file/furizupukaw.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/29799982619.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/c5762fea8162b9f7e259eddf14c9b4d9/vibawidagutamudokowuxofa.pdfIn PDF document text
- https://pnlcoach.com/misc2/file/In PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-2/20210902233531229408.pdfIn PDF document text
- https://bomando.bomsolar.com/uploadfiles/files/51727470250.pdfIn PDF document text
- http://boissee.fr/userfiles/file/50942833436.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/17747888870.pdfIn PDF document text
- https://inunekocp.jp/mailmagazine/upload/files/92790688476.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/55055002952.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/xokeluzatilefiwakit.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/ruwutid.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613abb7865413---xokewujopulo.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/8799383822.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/76670153330.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/58200809247.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=world+largest+economy+country+list+2020PDF 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_off0000aff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c80b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80B | 15776 bytes |
SHA-256: c8df019b476d0b4eedf1ebb6a5620a8321a4470ebcdb83c0129fbf09bfe9db9c |
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font_02_sfnt_off0000f001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF001 | 11164 bytes |
SHA-256: 5ec3fdc004bdbf959ea40cd96fa155ba4af947f94c097c26f978ea243ae537de |
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