MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious. The presence of multiple external URIs and a raw IP address literal in the PDF structure further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://dsrental.com/userData/board/file/ziridotal.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa0e232b48---mebisapakunepufofu.pdf
- http://abnicum.ru/files/file/jidupunezadegos.pdf
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/28304314192.pdf
- http://www.bandungmesin.com/file/jefonukozadomilubo.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/4c6b7a14aad46b5d0fe36472cef3551e/32635670503.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/536269hn4b1h45j1e9bh9s18ta/fotademiv.pdf
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/71033424009.pdf
- http://stylekd.ru/files/57670817990.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/6d4545f8f46bd9e11de8964e94bf6529/fasusadigesi.pdf
- http://droprint.my/home/ququ4923/public_html/userfiles/file/gogutodirukojawuv.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943e0214396---25473270577.pdf
- http://syntra.pl/userfiles/file/74322870499.pdf
- http://mopi.eu/ckfinder/userfiles/files/jurobo.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/983936f806ce48a466a29b99dd89281a/16929883929.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096a0cd05c7d---wameperawuravizalofivar.pdf
- http://mtsskzy.com/userfiles/file/4621041952.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16130c43a9f97c---80023716340.pdf
- http://project-lovcen.me/userfiles/file/sirovi.pdf
- http://furniture83.com/upload/files/javis.pdf
- https://vietucmould.com/img-vietuc/files/19674230731.pdf
- http://happinessgown.com/upload/users/files/datiba.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609388cead660---zosuno.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=vogel+kimia+analisis+kuantitatif+anorganik+pdf
- 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_off0000b945.bin16d26f4d59782fd7fde9d4cdae039197a1d1ee7ad9a0b943b98df9a21f8103f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB945 | 11000 bytes |
font_01_sfnt_off0000d2a2.binafdca10819727d52b5685827b06e9efdc78aee9b66548963b904a8c06a8789ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A2 | 16172 bytes |
font_02_sfnt_off0000fc65.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC65 | 16792 bytes |
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