MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a distribution mechanism for further malicious content. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://animationcoach.com/userfiles/file/13347714499.pdf In PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/43113498284.pdfIn PDF document text
- http://viajesalaos.com/webroot/img/files/21966328317.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/77908198028.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/bipudobomen.pdfIn PDF document text
- https://divinenine.net/userfiles/file/57792686064.pdfIn PDF document text
- http://www.cavice.fi/tiedostot/files/67958708943.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/ce0658c0f57873dc4687542e50de2cdc/pazevososuzojaloja.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/wadasadiwuxobunirulula.pdfIn PDF document text
- http://huiking.cn/uploads/file/160554194429.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a192d40d5d4---94231275760.pdfIn PDF document text
- http://nesthomes.in/userfiles/file/27086752308.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/gigewesiboderevuzelete.pdfIn PDF document text
- http://luberoff.com/userfiles/file/pewew.pdfIn PDF document text
- https://defaico.com/d/files/16391319605.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a5c947b11---nosofexadotulibusumiwuxu.pdfIn PDF document text
- https://drsubhashawale.com/ckfinder/userfiles/files/10669590588.pdfIn PDF document text
- http://bahattinburyan.com/userfiles/file/10058426985.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/igiqf2k5icl908b8ee242vnmq3/279896744.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/poduxabilup.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077683b7517d---27683704674.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094a1f44e9c1---jewuna.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2d5c0f754---9667387779.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/8ba6675a0799377e31927f8334c49633/87869939303.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+bent+or+kinked+form+of+retinal+is+combined+with+a+proteinPDF 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://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/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_off00015b75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B75 | 11164 bytes |
SHA-256: b990f9a63cfebf03976f0c729c2c6bf53553c31e78932edc820840e759e9b038 |
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font_01_sfnt_off00017533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17533 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D45 | 19264 bytes |
SHA-256: 5ab6e76113f2e62058aba2e96388e21e30d836dcd426f0d030953f47a1f8275a |
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