MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests a social-engineering attack aimed at tricking the user into installing malicious software by masquerading as a necessary browser update or plugin. The embedded URLs point to compromised CMS upload storage and disposable hosting, further supporting the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://kompaspt2.com/contents/files/36306474649.pdf
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/1527930605.pdf
- http://anapro.com/ckfinder/userfiles/files/31323014983.pdf
- http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/wedoxikenudivemikevejaje.pdf
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/64540706034.pdf
- https://marugame.hk/editor_upload/file/rigakowegizatiwivixijev.pdf
- http://bancasemecanino.com/userfiles/files/74214241294.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b15b52190d---zesunukokobitojuwap.pdf
- https://livewireeventz.com/userfiles/file/48658639926.pdf
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/15906123930.pdf
- https://stancijanegrin.com/userfiles/file/28833275280.pdf
- http://nemalipics.com/30501503899.pdf
- http://munnarteabungalows.com/userfiles/file/55141557456.pdf
- http://mintaialuminum.com/d/files/xigejarakaxofaligo.pdf
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/paxiko.pdf
- http://keralastatetailorsassociation.com/userfiles/file/gobiranotinebolim.pdf
- https://granitabrasive.com/editor_up/62428744310.pdf
- http://avsa.org/sites/default/files/images/files/70322672929.pdf
- http://phoiinnhiet.com/images/uploads/files/928634735.pdf
- http://amandatravel.com/userfiles/file/37224018499.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/edqc4a12v05mak0sd01kvdgj27/rijiguv.pdf
- http://purofirstli.com/userfiles/files/togiwivodiko.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fea30e9856---87945333458.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=cara+menghapus+cookies+di+android
- 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_off0000c1eb.bin5e920554444a9dea162a3313317edbffa721480eb41e96b5fc09792ad68760a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1EB | 15860 bytes |
font_01_sfnt_off0000ea89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA89 | 16792 bytes |
font_02_sfnt_off000102a0.bin0d51c9e33928f0be73d700ae89da841571a0101e26847f94d318e3a99a3cf5b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A0 | 11040 bytes |
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