MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for executing malicious code. The file also features a large number of external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or credential harvesting campaign. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://synerhu.ru/uplcv?utm_term=how+money+works+pdf+download
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dc8c6934b---59405219615.pdf
- http://citysuji.com/ckfinder/userfiles/files/wegazufinujifari.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa3676d2f3---15229129108.pdf
- http://bebelino.ru/userfiles/file/fogobadaxozalugalovave.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1608653b41b9eb---52215680545.pdf
- http://lexus-custom.com/js/upload/files/43403900538.pdf
- http://studiotecnicoarduini.eu/userfiles/files/86586417885.pdf
- https://activepymes.com/pub/file/rozejozilarafojiluvobuv.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16089ca69b9355---72452247510.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8741d2443a---52809405980.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9602298e2---letiwodurem.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/0447fa4e9acaa2552f616687c927fde1/deburezotumilaz.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/43290941002cce6005bf92047ef7f1da/kawepobigodesirave.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cac42a9972---27579428036.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f702fd93a8---50971704538.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/96b3ca464fa13795a5f0aa9e4c3b201b/zejawogoferelivigokal.pdf
- http://angelcabrera.com/FCKfiles/file/35898280427.pdf
- http://easyliveconstruction.com/ci/userfiles/files/kajakotelisekeliwofuw.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/9655d5816737bc2f8d6ecb03ee2bc7f2/zozajupokemiwejaved.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/1d10c2995299c4af31bdee4e90e73eb2/nebak.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160db1aba3993f---42685263230.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/igk7jdccm1t5dint0lms93st8k/zawukugip.pdf
- https://aventura-agence.lu/userfiles/files/79580566922.pdf
- https://thehero88vip.com/ckfinder/images_store/files/586897345.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_off0000c095.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC095 | 16792 bytes |
font_01_sfnt_off0000d8a7.bin2fa982596c37ad3e70f52a716350d98238f9dc253cea019474168ff5b519d180 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A7 | 16248 bytes |
font_02_sfnt_off0001025c.binc9bca95019128006f9246381fcb864d0a74f2161c070b42e0e75578bdc209d82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025C | 10752 bytes |
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