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 likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised or disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure and the nature of the URLs strongly indicate an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://tidaksusah.com/contents//files/53447391921.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ua1e3vk8veplneqaks102dmshu/24630900542.pdf
- http://albino-pitti.com/pub_img/file/supowi.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d231f8157a---vujovugubarusake.pdf
- https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/38knfvj4ui0jmb0gen481a08er/62289016096.pdf
- https://najlepsze-w-polsce.pl/uploads/xumedazofuk.pdf
- https://afayl.com/userfiles/file/73486726286.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/793f81c15b9a67133fac038acd3083ba/bamegixibajigi.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/8uustthplgqa5uhuem6d4g6285/64032972809.pdf
- http://homeopathyhk.com/files/zoferofivokob.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086965b2a9ee---48700994907.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be4cadcc033---levafigewesojavume.pdf
- https://creteservices.com/FCKeditor/userimages/file/vogodezobuvagodidowumebof.pdf
- http://secohthailand.com/file_media/file_image/file/80478872150.pdf
- https://poolpoint.be/uploads/file/24285632007.pdf
- http://anhuifan.com/upload_fck/file/2021-5-26/20210526230704229108.pdf
- http://diversecityuk.com/userfiles/file/firolivavajo.pdf
- https://allmassage.net/upload/file/20210523175336.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccd51d0d1a---mumonusax.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609005f12895a---potugofaso.pdf
- https://rainbowfurnitures.com/files/files/35098534674.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/674ttq7pf4a2g3po7usgvlkt32/51789942688.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/77472077730.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ed98b3e8d---7977733419.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=types+of+characters+in+fairy+tales
- 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_off0000ebf5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF5 | 16792 bytes |
font_01_sfnt_off0001040c.bin1e5996d9e724601baf6f0ee6298b0a65575572f6cab2428a34fb584b9185919b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1040C | 10652 bytes |
font_02_sfnt_off00011c70.bin350987b54f4a06547fa328c5ecd4d3380593dc86a8c9a7b69eba4c1b6ce081c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C70 | 19384 bytes |
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