MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple external links, with a high-confidence heuristic identifying it as a link farm hosted on disposable domains. One link, 'http://ambulatorioveterinarioscapindandrea.it/userfiles/files/55069457544.pdf', is flagged as a random, algorithmically generated URL, suggesting a malicious intent to redirect users. The ML classifier and ClamAV detection further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://catamma.ru/uplcv?utm_term=ar+code+scanner+online PDF link annotation
- http://palestraarkadia.it/userfiles/files/viwupe.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6b43337f1---xalukakeze.pdfIn PDF document text
- http://saipanbooking.com/FileData/ckfinder/files/20210908_469DB75A408E8BA7.pdfIn PDF document text
- http://msslink.ru/userfiles/files/53820795679.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa675c5c1c---joritonododaritagexesazoj.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/50426547639.pdfIn PDF document text
- http://pnlestari.com/visitbali/image/files/rupugakikolemagixupemer.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/93314925366.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33472540950.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/32920368102.pdfIn PDF document text
- http://seamacros.com/upload/file/demepepiduzidegewoketal.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/xisitosalazujopor.pdfIn PDF document text
- http://markone-tools.com/upload/files/benizesolupuwadituwarotip.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/88994919035.pdfIn PDF document text
- https://minhkygroup.com/luutru/files/24689959081.pdfIn PDF document text
- http://alarmy-kamery24.pl/userfiles/file/ropuzirebilalele.pdfIn PDF document text
- http://ambulatorioveterinarioscapindandrea.it/userfiles/files/55069457544.pdfIn PDF document text
- http://villacappuccina.com/userfiles/files/rimufu.pdfIn PDF document text
- http://mlead.net/images/e/file/zajitux.pdfIn PDF document text
- https://semangkamerah.com/contents/files/rorigujupudeg.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/vinog.pdfIn PDF document text
- http://civicwomen.com/ckfiles/files/97211436444.pdfIn PDF document text
- http://ahnil.com/userData/board/file/11168286291.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_off0000e8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FA | 10244 bytes |
SHA-256: fabe155f35b4bfbf2723399d1d8010920c68a89a0e3cba754420dec78a83f6f9 |
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font_01_sfnt_off0001000c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001181e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1181E | 17848 bytes |
SHA-256: a763c86fcceb9422c27b70c5a47136079ce36ce3c191dad58594fbf5c2896f18 |
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