MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as containing malicious content and links to potentially compromised websites. The presence of a link farm and the ML classifier's high confidence score indicate a deliberate attempt to redirect users to malicious destinations. While no scripts were extracted, the PDF structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://rebeccafantarchitetto.it/userfiles/files/jamipobewobebu.pdf In PDF document text
- http://termocity.by/pics/files/tejigu.pdfIn PDF document text
- http://www.bash.cl/media/file/20985059005.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/zobetojoruwofimifog.pdfIn PDF document text
- https://agregadoschucuri.sinecsas.com/ckfinder/userfiles/files/17936030576.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614d70c7139e9---xojutejuralezuvudasaz.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/salitadanokipigara.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/7814ncgbtqngck0u7satt0tqj3/govedetuvopakekejapod.pdfIn PDF document text
- http://giftboxvietthuy.com/upload/ck/files/25309349577.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/0d075d590f09e8e5cca6164e7d16196a/66942662396.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/46871867095.pdfIn PDF document text
- http://metapolar.hu/tmp/musuzeno.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/tikativojeziv.pdfIn PDF document text
- https://preciseenergygroup.com/media/41497346418.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/51161017962.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/53595071439.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/69134765131.pdfIn PDF document text
- http://hla.vn/upload/files/32156039593.pdfIn PDF document text
- http://studiotecnicostradi.eu/userfiles/files/25777301815.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140b95da8e06---21643898897.pdfIn PDF document text
- http://archbot.pl/files/file/masuwo.pdfIn PDF document text
- http://studiofantino.it/userfiles/files/73447981922.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=walking+dead+a+new+frontier+apkPDF 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_off0000bd70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD587 | 10676 bytes |
SHA-256: c5ce014664357b1dc765c8b34290a110993a03dd46c04ab10de5f9eed5d09e66 |
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font_02_sfnt_off0000ede8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE8 | 20768 bytes |
SHA-256: 414a99f3e37a4cbe1327b348811afd4dde45ea2e585bb856d8bac4babc1897c1 |
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