MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to compromised WordPress upload directories, which in turn host other PDF files. This suggests a multi-stage attack where the initial PDF acts as a lure to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd6d79eb92---45690722982.pdf In PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cd672949f---vejememewikuwileveloxexax.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f26d0ec76d---45091899797.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/vusijavoxidaziwokojemu.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/63212406337.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a6f674ae0---43978847832.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c566cad8fe---62612850911.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202105/file/poritatekof.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/kipoxajasigijoxenipo.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9479b3182---67171010263.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/hhgqft0n5tjp7pmrfb7o69vist/44020181154.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4514b8f43a---zazewameluxudalod.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8ne8t8j3srrj0lrakkqvok8r94/nelefusovised.pdfIn PDF document text
- http://centronegozi.com/public/zewaw.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/tirizalavevemilov.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/a346c34a5f15c3eca9814761b13b2cab/31272971060.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/tijav.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/37303148664.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/96911160783.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076164c604ba---viratajajar.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160d31c8bdc0a6---mofinez.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16082c5f803862---mepewiradivasamiko.pdfIn PDF document text
- http://rford67613.com/clients/a/a2/a20594cba7d6fe247bc87ef9b80620db/File/61739106761.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/jolepabafowavujobi.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/6enrmjmfplpeq06uf1klr46hoa/98728969032.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=ferritin+levels+dropping+rapidlyPDF 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_off0000e2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE7 | 17060 bytes |
SHA-256: d875bfb0d08a73c7eaec631e0415969acec12c081a760956872611030192c796 |
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font_02_sfnt_off000127a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A6 | 10724 bytes |
SHA-256: 9bec0b8fb62ceb4368f2adaa959b31894294d7412e4a77121ca36b9dc2d00c93 |
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