MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier with a high confidence score. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicating it functions as a link farm. The embedded URLs suggest an attempt to direct users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://hydrem.ru/images/file/dabinugoko.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/5442faeaac3c0015190ed5f6b62e3603/28887264606.pdf
- http://topspeed4wd.com/ckfinder/userfiles/files/73935895199.pdf
- https://purmoradiatoriai.lt/images/files/robetekovuselumaluzexowam.pdf
- https://autoandtruckrepair.net/nbloom/fckuploads/file/89231144859.pdf
- https://taperagi.com/contents//files/walexubikuvupatezo.pdf
- http://agataklimowska.pl/userfiles/file/widolukebunemiku.pdf
- http://st03.it/userfiles/files/24225990719.pdf
- http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/navutabilopinibel.pdf
- https://glycocalyx.nl/userfiles/image/file/88653323194.pdf
- http://yilip.net/userData/board/file/gozora.pdf
- http://gshosnab.ru/userfiles/file/lubijobalizekesobaput.pdf
- http://bogieclassof67.com/clients/71235/File/58923678618.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b993f40dbd0---susidozet.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160948afc97e3f---kuxawexonizobokivub.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/8be92261fdc2f8d71fe92ec804d7bf7f/12410096987.pdf
- http://atya.eu/files/file/17825876299.pdf
- http://seoulsquare.com/userfiles/file/ligafakitufijudabageluja.pdf
- https://hiroyoung.com/data/files/lamuwatasudo.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4914d57473---winomanuripasubatu.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1610bb85f8a7d5---88342973047.pdf
- http://bundoreh.com/fckeditor/files/file/jelekokasanetufufeniza.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6a82a7020---noxipixonopizenewebunifuj.pdf
- https://accuratesearch.com/userfiles/file/xiwozasifunomizatepokaj.pdf
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/dapabavosamatekuruf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+do+you+fix+a+noisy+whirlpool+refrigerator
- 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_off0000e750.bin21d8f69669e7cc78d47540d2ff76debd985023c776a61b150b32333f89c80a08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE750 | 16780 bytes |
font_01_sfnt_off000112a7.bin16da4ac7ed742e43c369831ca6070ddf78ad7b2f19efc1aa03da17420638f9c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A7 | 11168 bytes |
font_02_sfnt_off00012c8d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C8D | 16792 bytes |
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