MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting. The presence of a URL containing 'amazon+prime+premium+unlocked+mod+apk' suggests a lure for users seeking unauthorized access to services, aligning with phishing or scam tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613755d902d69---lekalalasawaj.pdf In PDF document text
- http://thuocnam.xyz/images/files/31039015315.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/52803810017.pdfIn PDF document text
- https://alwaysthesame.pt/site/upload/file/biwikufuvomeko.pdfIn PDF document text
- http://hiniceshine.com/upload/2303795540.pdfIn PDF document text
- http://come2menorca.com/images/file/joloropuwamisogaxuli.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161320a55d8c73---40126323344.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161480a3014d0b---31763864297.pdfIn PDF document text
- http://ceroki.com/image/files/ropukenufipuxujivibejeze.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/kigitafonerudar.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/161306c804bbf9---boruxujuxobujijubilonul.pdfIn PDF document text
- http://kuryakyn.ru/userfiles/file/bunidemufonibukede.pdfIn PDF document text
- https://www.domosystem.gr/ckfinder/userfiles/files/98561606357.pdfIn PDF document text
- http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/butowapexatifaza.pdfIn PDF document text
- https://sikahaiphong.com/images/news/files/71183942282.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/99831433213.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/8354739158.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/tikeradolutojunawugi.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210914_D2B4311F714FF089.pdfIn PDF document text
- http://ballmillfactory.com/d/files/57133222168.pdfIn PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/65666307388.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210909131805_h9rx08.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=amazon+prime+premium+unlocked+mod+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_off0000b69b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB69B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ceb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB2 | 10640 bytes |
SHA-256: c02cc11344f8fd5e1ce8d2319fba60bae3561d0b0ca4fc0cb29573fc9435754d |
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font_02_sfnt_off0000e6fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FA | 17740 bytes |
SHA-256: d3f36ea4c8d267356f6884facfb07bc7044d9fd7e817606bdd94eadf668e3847 |
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