MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating embedded JavaScript and a link farm pointing to compromised CMS uploads and disposable hosting. The presence of external URIs, including one with a 'forgot_the_phone_password' UTM term, strongly suggests a phishing or scam lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://chcial.ru/uplcv?utm_term=forgot+the+phone+password PDF link annotation
- http://scamps.biz/userfiles/file/47697944680.pdfIn PDF document text
- http://flexa.cz/docs/file/49972415831.pdfIn PDF document text
- https://smsenerji.com/resimler/files/22495842592.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/967ba1f3970192a0fe974351f22c1f12/jomoviserawijajelepo.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/78776648533.pdfIn PDF document text
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/vimasuzesoperivefoziwupo.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/67217315264.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/26828109466.pdfIn PDF document text
- http://newabel.com/ckfinder/userfiles/files/7858998167.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bab19524f---dotibobeboxemaker.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/54953778318.pdfIn PDF document text
- http://saipanbooking.com/FileData/ckfinder/files/20210903_8BECFEC8B9E22163.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/xivawizijixomuwot.pdfIn PDF document text
- https://basealimentare.it/webroot/files/fck_uploads/File/dovepudotudapoloxajej.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/74260113075.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/pijosekowosezazed.pdfIn PDF document text
- http://prefinancovaniehypoteky.sk/res/file/dufezudoxibojiwuzewoga.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/monoponexixepojebese.pdfIn PDF document text
- http://talleresjpg.es/img/file/90113594148.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/xudagov.pdfIn PDF document text
- http://raegcafe.com/uploads/files/rubapuwodo.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/lovafinav.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408b1aefc0a---wamivikodosejud.pdfIn PDF document text
- http://dogoxuavanay.vn/uploads/files/paduwato.pdfIn PDF document text
- https://b2cdemo.tickets.com/content/files/voworuwifiradoginenikug.pdfIn PDF document text
- http://www.w3.org/1999/02/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_off0000c814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC814 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e02b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE02B | 10596 bytes |
SHA-256: d04a41e1d12d9d05c09b3ffe4f9699607f023433089f303b7fe3943de83acb5c |
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font_02_sfnt_off0000f82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF82F | 17936 bytes |
SHA-256: 9fa0447b85377bc066174f05c82c3d09b7b7eb8ddc0eef4f7fe18fa7265a2969 |
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