MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document exhibits characteristics of a phishing or scam attempt, specifically by requesting recovery secrets or private keys from the user. The presence of numerous links pointing to compromised WordPress sites and disposable hosting further supports a malicious intent, likely to host phishing content or malware. While no scripts were directly extracted, the ML classifier and ClamAV detection strongly indicate malicious behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d0b75ac12---15286025905.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/e48b20b87ce93862f7f57097ae252825/zezorobaborelabolanuxex.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160acbccf08cc4---22529553900.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/4b1a0b56f84c91df71e8d177037ba3f0/11985006795.pdf
- http://cainghienbinhduong.com/uploads/userfiles/file/durowilopuda.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/rhe1u06qg1aetmufo3tvrdh2r1/bamudijinupulekibalupu.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/06407bede5244d03e61d8215dc397b6b/26837340787.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/5fbndngmcubimadpci4hffb953/repazudi.pdf
- http://50wj66.com/clients/a/af/af9d65f11c1965a5434adcd4cd578f00/File/96931982570.pdf
- http://iphysiology.ru/upload/51250563542.pdf
- http://geoodwierty.pl/files/file/25204595548.pdf
- http://ct-tci.com/cttax/userfiles/files/21895871648.pdf
- http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/gosene.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e8d5d5222---35452485236.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e07e7a1b98---63182433393.pdf
- http://tokyoto.pl/UserFiles/file/totogerimin.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/hhrc4rm56j74cuueic9j9kj98h/pizuki.pdf
- http://massimosusto.eu/userfiles/files/47587100421.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085f1bc75f3b---91642389506.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/092f4fbaae358b920856c18299c36307/10607656584.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160814cb8d8ca6---jibexavapalonavup.pdf
- http://nhs1966reunion.com/clients/1/1c/1ca8f1639ee69cd7806809ed3bcda9bb/File/vexukazopuvoweku.pdf
- https://fidelishospice.com/ckfinder/userfiles/files/82604007157.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=introduction+to+computer+networks+and+cybersecurity+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_off00010c98.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C98 | 16792 bytes |
font_01_sfnt_off000124af.bin8da24841333a4c6937852d832c0e30f686599fcb989167e086cf431ffd4d2767 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124AF | 11216 bytes |
font_02_sfnt_off00013ed7.bin653cbcbb122dbe5e4403027b85ccd90cf408bb51867d1227bbe89e7eb9065246 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ED7 | 18212 bytes |
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