MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised CMS upload storage and disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL targets are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://suamanhinhlcd.net/userfiles/file/wozofevezagemit.pdf In PDF document text
- https://hiperaktivite.info/userfiles/files/35339896993.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/99031372115.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cac3b0c0ec---75361479493.pdfIn PDF document text
- http://ch-yang.com/upload/files/61149969149.pdfIn PDF document text
- http://status.cz/UserFiles/File/duvadivosokimuxajozomufov.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/34012514575.pdfIn PDF document text
- http://canadianrockies.ca/files/file/gijov.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/40454254886.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/6bee2c4945f881101e4060d184485b3a/88731548333.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210920145313_821604180.pdfIn PDF document text
- https://petala.gr/userfiles/file/beniwosidonuneriwer.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/85473131161.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/vowugafugorikubonufa.pdfIn PDF document text
- http://alrabbancapital.com/file/files/4914913155.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/sedixexusemo.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bc24cafe3---dofofosaxivefabivif.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109270929046221.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/gobebabetatexumuk.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/75140957115.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614074d09bd76---94112463841.pdfIn PDF document text
- http://serting.eu/userfiles/files/98137744420.pdfIn PDF document text
- https://rt-totaalafbouw.nl/userfiles/file/85996472056.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/xinomekalelizobusojuxox.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/demewibukibo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=microbial+induced+corrosionPDF 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_off0001cbbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CBBD | 22500 bytes |
SHA-256: 55b89ba22f29963a420fbd95968fec9c3a1abdf3a726c183fe65fa28e36408bf |
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font_01_sfnt_off000206e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x206E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00021efb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21EFB | 10496 bytes |
SHA-256: 724c244af977f4ae58db6382dd0acddddcb03852c3d32f23c5237a8e0ce22830 |
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