MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external domains, many of which are flagged as part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic suggest the document is designed to redirect users to potentially harmful content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 http://birzebbugastpetersfc.com/files/file/11436207886.pdf In PDF document text
- https://virtualpulse.eu/UserFiles/file/tuvalaweda.pdfIn PDF document text
- http://czyxchem.com/upload/files/regarumikozizuriradesonap.pdfIn PDF document text
- http://parikshitconstruction.com/uploads/61138471198.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/17715594549.pdfIn PDF document text
- http://toyotacri.com/userfiles/files/kiwabewava.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/5277513006.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/tajis.pdfIn PDF document text
- http://ambulatorioveterinariosantanna.eu/userfiles/files/namujujedalew.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/65981806185.pdfIn PDF document text
- http://halongbaycruises.org/upload/files/tozosedebo.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/85119988986.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/43972875729.pdfIn PDF document text
- http://stepasidemedical.ie/images/uploads/file/petab.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/56478878975.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/zofuvakuvejokokagazufami.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/f6da0127b603ca805f84423f86f059f2/fogeni.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/vegojexi.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210916213557.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d33b027ac7---19410109173.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/6446478384.pdfIn PDF document text
- https://redac.ch/upload/85624838163.pdfIn PDF document text
- https://blogsma.com/files/88740371792.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ultimate+hitchhiker%27s+guide+to+the+galaxy+pdfPDF 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_off0000d608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD608 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1A | 17064 bytes |
SHA-256: 9b1689b7ec58e7f33fcc826f171da920203f29b2971b00a3e3e1b496652f66fa |
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font_02_sfnt_off00011a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1F | 11412 bytes |
SHA-256: cb2b5bdbed9c929a45bedd3c5eadc583b0f7fa3f808ad7cf649927ddbd4327c1 |
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