MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute malware. The presence of multiple PDF link farm heuristics indicates a deliberate effort to obscure the final malicious destination. No scripts were extracted, but the overall structure and heuristics point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://damsindia.org/admin/uploads/file/niberekorezanaf.pdf In PDF document text
- http://music-summer-courses.eu/upload/files/zelididurubapasu.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/xegako.pdfIn PDF document text
- http://cozycornerexpress.com/uploads/files/xiferez.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/xojusazoled.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/lapejogefukubob.pdfIn PDF document text
- http://xn--76-6kca8aqc6c.xn--p1ai/pic/userfile/mibuf.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161335430ab5e4---lekaduwugunotipovotefuj.pdfIn PDF document text
- http://aqs-group.it/userfiles/files/83220341561.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/detajibaxutinekusobosizop.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/330b96cb0b5b8151e3cda62f9018b6c8/nowozepibexuzidamop.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/nuvadimular.pdfIn PDF document text
- http://deleeuwputten.nl/site/data/ws/files/1874854297.pdfIn PDF document text
- http://captaincook.hu/userfiles/file/jusumogetumulivaxosamidu.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/kukegibedan.pdfIn PDF document text
- http://wuyioutdoor.com/userfiles/file/71052563013.pdfIn PDF document text
- https://songhong.info/userfiles/file/106378923.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/gubutorisikeguwizejeme.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/4042046052.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/pigesisokivi.pdfIn PDF document text
- https://photojet.bg/userfiles/file/34933491823.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/99f4def5ab81b31b5bd1b1b7ead3dffa/86048952480.pdfIn PDF document text
- http://at2apigroup3.com/contents/files/vanixakiwumanokeru.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=vmix+pro+apk+download+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/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_off0000cfaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFAA | 10640 bytes |
SHA-256: 99cecf0f55c49977550aa7598d9226c3fe6302fb7c9d7452b97940dfc8faf116 |
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font_01_sfnt_off0000e7f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F8 | 18184 bytes |
SHA-256: 743328170c7d9b37d690a71cc6b7b7f748094ea0b63649f49003686bfab62ff6 |
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font_02_sfnt_off0001177b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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