MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and link farms pointing to potentially compromised websites, indicating a phishing or malware distribution attempt. ClamAV detection and ML classification strongly suggest malicious intent. The document body is heavily obfuscated, preventing analysis of specific user-facing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://philabc.ru/uplcv?utm_term=car+games+on+play+store
- https://drbumbnursinghome.in/ckfinder/userfiles/files/zolapi.pdf
- http://ebus.cn/up_file/file/belijajamotiw.pdf
- https://brukspec.pl/upload/file/4521063351.pdf
- http://elsped.hu/files/file/6990934373.pdf
- https://feniks9.ru/ckfinder/userfiles/files/nufiwadarudufejuleku.pdf
- http://samtle.net/ckupload/files/13253491677.pdf
- https://okazdedziecko.pl/_files/Media/file/76591504710.pdf
- https://k85shj16h-561lt.com/contents/files/23895218150.pdf
- https://onhimalayas.com/ckfinder/userfiles/files/fikemuxebowixalutivaxi.pdf
- https://indiansabroad.uk/userfiles/file/koparezegexaje.pdf
- https://pensiuneavalentina.ro/app/webroot/file/wovozovenijipalufisu.pdf
- http://paglialonga.it/userfiles/files/kojewizusozazi.pdf
- http://vako.vn/app/webroot/uploads/files/11900354883.pdf
- https://isitekmuhendislik.com/userfiles/file/sijel.pdf
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/59356152939.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b7e7f0ff7---57758809241.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b0490fc92---12369565659.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a68e02fe1---mapudixuxasafugovomijas.pdf
- http://linkingpeople.info/userfiles/file/68957592004.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9op7j0b18dk0qcgg4qqrnvlni/36443802325.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142ddbf9c1d3---31630231693.pdf
- https://dptech.vn/uploads/files/51627042314.pdf
- http://lecostationery.com/files/file/83848560515.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_off0000db13.binb13f9ca1e781825f6e275b56680291e93b29b73897cce54bedfcddd15ddd232d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB13 | 10648 bytes |
font_01_sfnt_off0000f386.bin8865071c5e99972f4162d0ac56ad6f1d4244daede33fe05ae4061f741c04b9a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF386 | 18112 bytes |
font_02_sfnt_off000122e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E8 | 16792 bytes |
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