MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document employs an advance-fee scam lure, attempting to trick the user into believing they are receiving a prize or parcel. It contains numerous links to external PDFs hosted on potentially compromised websites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9797
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8014d14bf8---37231613764.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1536804f37741fa58babc447ecbc9dc/mirotobalerozesigip.pdf
- http://ambulatorioveterinariocigliano.com/userfiles/files/zagufikesifivirosutewekob.pdf
- https://jjpremiers.com/files/44716513579.pdf
- http://marcelponjee.nl/ponjeefiles/file/xanetagesibi.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16087754deff80---7791267201.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/b3433f8c3fa788e4a3ef9cb5c53500f3/98705139025.pdf
- http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/54751115726.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16081b714251d4---xunorotowiforubusu.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/82acaec16e56345510af1aa060db3b72/dilabanezupomakibojujusup.pdf
- http://pincailight.com/zk/UploadFile/file/2021060405075773499.pdf
- http://dongshengcable.com/images/upload/File/67124864535.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37120ad007---vogoniteki.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a497122fb24---47321910772.pdf
- http://washchienluoc.com/upload/file/85836331346.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/51a85be484725562eae5419bae296090/98842593685.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/38e96c42dc0ccc603a6f4b9dc26672f7/31559060276.pdf
- https://mimpishio1bet.net/contents//files/kapenewipedotulilevivuvox.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086e28aa34ea---81188131746.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16074cfcb30b41---muvijujadaborupasej.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092da923e624---xalugo.pdf
- http://bscartridge.com/pic/97943244438.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/1i97kghi5c82f13fvnf671m55i/fupetoguno.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d390350ac2c---84202020317.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607755649cc44---zebofamilebage.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/2e4a85300022a69cee2a244916cc8fc6/zowedul.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=wards+dna+structure+and+protein+synthesis+lab+activity+answers
- 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_off00013408.bin99e8598da05a6827d9d2bcc258d4543c9e3eb5bb5c2f4aba99e4bf46d625e4c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13408 | 20896 bytes |
font_01_sfnt_off00016a2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A2B | 16792 bytes |
font_02_sfnt_off00018242.binacef942dd23bcf326d9cc005e10a3837e6d30475eef51214080a53d5248c7d96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18242 | 11108 bytes |
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