MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external PDF files hosted on compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/viwukanepemuzafewesulamuw.pdf
- http://bbfederico2.net/userfiles/file/pibitumuwadufobel.pdf
- http://cjmjwarrickhudsonfamilyreunion.com/clients/9/9b/9be434dcd9982d5451de1b36a82eb828/File/fofiberu.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160738ac584521---66203759761.pdf
- http://musorcentrum.hu/files/article/file/18602831629.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d11cbe4ab4---73500772824.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceb0375fdb---54212176764.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde44300c3---71842011576.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a2a03a9e5---xemanesul.pdf
- http://ambulatorioveterinariosantanna.eu/userfiles/files/1486846837.pdf
- http://sdds.be/userfiles/file/bunesafu.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074b3a1e3565---68568153700.pdf
- http://yilip.net/userData/board/file/nifejupemefexumit.pdf
- https://tigaintan.com/contents//files/33364260129.pdf
- http://hysansam.com/fckeditor/userfiles/image/potuvuvajumisike.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b280653e388---7998131469.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/d1c4ad9e28fa55af916ae2e3df071fd7/bazenadezedapesutigadupe.pdf
- http://hglobaltour.com/FileData/ckfinder/files/20210609_1067EBF6357E7B8B.pdf
- https://accu-split.com/userfiles/files/91075667507.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/30923219776.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075813deedc1---fusuvamijam.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/d1a516198cf9d7e360d763cf182fd1cd/47969197667.pdf
- http://paroissedementon.fr/upload/files/diramamozifajudomi.pdf
- http://agataklimowska.pl/userfiles/file/38831903108.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=creswell+research+design+4th+edition+pdf+free+download
- 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_off0000f738.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF738 | 16792 bytes |
font_01_sfnt_off00010f4f.binab7ebd237c7f585eebaf45a995d980ebaa4c5348a9940ef5d54073aa95488a32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4F | 11096 bytes |
font_02_sfnt_off00012905.bina5e301b308a283ffb74be346209cbc8e60316592e0fe57e18aedc55824078a4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12905 | 18100 bytes |
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