MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, while some are confirmed benign, others point to unknown or potentially compromised domains, reinforcing the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/9t9q3gr299uia134o1010jngnv/68230741358.pdf
- https://vannordenvastgoed.nl/userfiles/file/wabumalesodudox.pdf
- http://pho32shabu.com/uploads/files/jiwibibanepu.pdf
- https://kham.vn/userfiles/file/2367825626.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/bc9ba0ffe57cf93f797544c09a92f255/vamugebodu.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/h1jbjp9dk3ec2j74haer1rugmc/8942128473.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fd5b66edd---vebamikokazanakenenar.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609648321770a---16329619040.pdf
- http://zovsh.com/Uploadfiles/files/54983583581.pdf
- http://www.abcklima.hu//data/editorfile/84767699723.pdf
- http://akinmedikal.com/uploads/file/99525897637.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e47c3bd445---nanusedopawepidosepoker.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/9502c7e97a44aa97c49febcf224cfc23/foxejafusawomefewi.pdf
- http://toonesk.com/upload/mopabutozogepupinurul.pdf
- http://lyshiying.com/d/files/93290236028.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ad46c42d3772c4f5a75d80f15df92da1/dexisudojutadamufi.pdf
- http://acecaalcoy.com/userfiles/file/bodujogekopabepositus.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/6f4c710272b35131d43739a63a9b4b93/kowadovobalupigazater.pdf
- http://archerelectricsupply.com/userfiles/file/jajefajud.pdf
- http://phatnang.com/media/ftp/file/pobemamedosu.pdf
- http://namngonviet.vn/user-/files/welepudinilulobisu.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/4656418709.pdf
- http://shipsupply.ru/userfiles/files/jojel.pdf
- http://giasuminhtam.com/Images_upload/files/sixofuganilinas.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/7n9ed6m6dq5cmqbj70gcuosv40/zuzowadezur.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/wujovogigurumewapere.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=cute+updo+hairstyles+for+work
- 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_off0000f6a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A3 | 16792 bytes |
font_01_sfnt_off00010eba.bin0a6b342ba039adc2fd1829d06c246374ba0567a6ee5f4b5d4aa409f3a790982a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBA | 10912 bytes |
font_02_sfnt_off00012841.bin1298b2514b758051c3c45973aca86f8d9ebb0ed3627587db4362cfdb1a5ca4a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12841 | 16880 bytes |
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