MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The primary IOC is the URL associated with a compromised WordPress upload, which likely serves as a staging point for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ad969d05a---wolokejexidajuxuk.pdf In PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/dd4cd6d8805325ea3413f2e1134c7752/87182775827.pdfIn PDF document text
- https://avela.md/userfiles/file/wubosapovolotowejil.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee2cd78bdc---dowopafudet.pdfIn PDF document text
- https://peterdegendt.be/file/tejuzawowawezoroxefefani.pdfIn PDF document text
- http://df-2.de/images/daten/file/9809697338.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df50e7af80---75035012001.pdfIn PDF document text
- https://htlexpress.com/ckfinder/userfiles/files/pobabutulakidanof.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a3e93ebfc7e6b6abeffd42a299138921/55488994908.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c864d3166ab---92469576841.pdfIn PDF document text
- http://apcmagon.com/userfiles/39529531124.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/kiwemuje.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608d544176988---90068206825.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/7qs2kurjfq3bdq683dgcp8846h/kumobi.pdfIn PDF document text
- http://dorp.pl/userfiles/files/34770800005.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a552c164c---91312489212.pdfIn PDF document text
- http://delve-cr.com/uploads/94044452479.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/5332690617.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607668fcdd49a---fopatezowogori.pdfIn PDF document text
- http://dhf-china.com/d/files/3640703885.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/7n5cd9piav6s489igkp4kkl4ad/84441647781.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/e0edef1ee22ff27479bdcf4054fa79db/4457676203.pdfIn PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/92581291030.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=colors+that+go+with+bluePDF 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_off0000b799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB799 | 14936 bytes |
SHA-256: 9dee4974cc7e65bc1507f22a006e7d2043a0175595cc192325de7596d02d6319 |
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font_01_sfnt_off0000dda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA8 | 10640 bytes |
SHA-256: 0e02090cc63ca7cd338f35957bbdecbf12f64486dd3bcc97903aaa7116052c15 |
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font_02_sfnt_off0000f64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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