MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites and disposable hosting, indicating a link farm designed to distribute malicious files. The 'SE_CALLBACK_LURE' heuristic suggests the document's content is designed to trick users into calling a number for fraudulent purposes. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or a trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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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 http://optykglowacki.pl/obrazki/files/38688738528.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/3276822dfa3de17dcb121806dd583a7a/24951417469.pdf
- https://hyosungulf.com/uploads/file/xadeniluz.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341b24bbce5---76354376908.pdf
- https://samirkumarpaul.com/ckfinder/userfiles/files/jijegubij.pdf
- https://eccdc.org/application/webroot/userfiles/file/zamadutasitasixelufewix.pdf
- https://dichvuketoansg.com/luutru/files/xagupufupemogemuzajevure.pdf
- https://novsport.com/content/File/rakexomedulawavaf.pdf
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210910140537.pdf
- http://headrepublic.pl/images/files/38806385340.pdf
- http://zeguvietnam.com/uploads/ckfinder/files/tapal.pdf
- http://cherriestattoo.com/ckfinder/userfiles/files/49552195107.pdf
- http://nt-module.ru/ckfinder/userfiles/files/tusagexapikosej.pdf
- http://coinproject.com/userfiles/image/file/dezojek.pdf
- http://world-housing.jp/ckfinder/userfiles/files/85300195730.pdf
- https://led7.ru/file/55063940720.pdf
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/bofipoletusif.pdf
- http://epicridesnepal.com/files/bodujomovagixagudiwibufoj.pdf
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16178921065.pdf
- http://cgemfoco.com.br/ckfinder/userfiles/files/87216526241.pdf
- https://rivieresoceanie.com/userfiles/file/51590901076.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3462d370b---dowixof.pdf
- http://dakov.hu/_user/file/xalifibux.pdf
- http://yugang360.com/upload_fck/file/2021-9-12/20210912102504388720.pdf
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/gelajuzevusokunijimiluka.pdf
- http://byecook.com/ckupload/files/38381278901.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=puffin+browser+pro+apk+mod
- 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_off0000e9d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D7 | 16792 bytes |
font_01_sfnt_off000101ee.bin7c5c506b5437102f6673ce17eae96e9ebf5d29e453d180cb7a36c82513cfb2e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101EE | 10936 bytes |
font_02_sfnt_off00011b16.bin83c640d2acca9261d8481d71fe9276c28099e6cd162a3226ffdb8f10e52fa6a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B16 | 18428 bytes |
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