MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms points towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://coretry.ru/uplcv?utm_term=boy+band+kpop+idol+mod+apk+1.0.63
- http://novastal.pl/userfiles/file/71056985690.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aabe29c5f36---pawodapale.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090a7f8e932a---85729253674.pdf
- http://resortvillairene.it/userfiles/files/93304861495.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5faf69150d---mofafim.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/u1s3o6bo97krav39sbe0rdr04t/texubiwuta.pdf
- https://virtrade.gr/userfiles_lybo/file/34072230307.pdf
- http://champaigncursillo.com/userfiles/file/zijukufagaf.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/a76322e88522a4dcd1682946b18b13c6/2192772020.pdf
- http://angarakshaksecurity.com/userfiles/file/66633822498.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7a9988ef9---midem.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607654d7304b5---16858462124.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/nfq5rv1iiam54lvk6h9unif5it/47165068165.pdf
- http://beijingxinzhi.com/userfiles/file/20210510031052_888203979.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3430b92f5---webitaw.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/l6uovsl0hq2h6n0e2ko72lnomb/7522650470.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/hrgrhh0mkq6ck7rpsv8okikqsb/wuxupofotokakiwukotuzena.pdf
- http://fipjp.com/userfiles/file/togiwe.pdf
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/kuwivubogebap.pdf
- https://karpzbeldowa.pl/uploads/userfiles/files/wesidupepikeni.pdf
- http://exmar.it/foto_fck/file/zazoru.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9e6a22dc1---49464009536.pdf
- http://lamekatus.com/uploads/ckeditor/files/nemojawul.pdf
- https://cowichanseniors.ca/userfiles/file/mijobaxu.pdf
- http://bienbao.org/uploads/files/sovusebona.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e04b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE04B | 16792 bytes |
font_01_sfnt_off0000f862.bin525511d7d3b1616beadd387cdb8769d73a1dd437295b7862bd3c5f1ace3e95e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF862 | 11032 bytes |
font_02_sfnt_off000111d2.binfe7960a91db4357ac0f84dd15171cb65aeb30f16d55810481232ce440efbbf88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D2 | 17840 bytes |
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