MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is classified as malicious by an ML model. It functions as a link farm, directing users to various compromised websites, many of which host further PDF files. The presence of a 'download button' heuristic suggests a lure to download additional content. The document's structure and numerous external links indicate an attempt to distribute malicious files or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://archism.ru/uplcv?utm_term=hdfc+credit+card+reward+points+catalogue+2015+pdf+download
- http://tatishev.ru/admin/ckfinder/userfiles/files/51171831368.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16080cc1830e3c---zerakogodulijivenewarij.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5d25b9f1192b36ae464246c524f32cbd/87619196277.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a187402e7d---26543761156.pdf
- https://audit-advisers.com/userfiles/file/kujovagojusunete.pdf
- http://njnccualumni.com/clients/0/05/05b55d2c4c342460da0dc2f503861b12/File/turofudo.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16099fe8e38c34---4996785039.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e9aa8d9a---3006010078.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e5c33b741---831273981.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608103d3ccf47---17694153631.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e79a39e6d---senuwutatoge.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/vgn9di41lkg9e4b4iu2ce4q6j7/52882481819.pdf
- https://steklo-shik.ru/userfiles/file/87578070207.pdf
- http://rogersdesignhouse.com/uploads/files/29027391791.pdf
- https://cometsecurity.in/admin/userfiles/file/8366507017.pdf
- http://resheto.ru/users_images//fck/file/sudekotuvovibemikisus.pdf
- http://polloricowings.com/uploads/files/bezodegijunotafagawesi.pdf
- http://paraglider24.de/pics/fotos/1/file/15205705325.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9e93cb7e3---15087931653.pdf
- http://thedewakohchang.com/image/upload/File/okive.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3d2835e6e---dezizalu.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e586a99e6a0---92060594289.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ugflv6e9ergv1b4jr625q3e1g2/nezajinojisala.pdf
- http://www.udelimpa.es/ckfinder/userfiles/files/dilaseditajavimur.pdf
- http://rooptex.com/uploads/widifimoni.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_off0000b894.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB894 | 16792 bytes |
font_01_sfnt_off0000d0ab.bindd73a5d82aa718f8734f708f5462a7b39719b6b8d8637bd51336ff4724e7a7e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0AB | 11400 bytes |
font_02_sfnt_off0000eb9e.bin1d3a48f072fdd2de4aef0087bc90d7eeb8c0903dc638ff0b9406ab6b20e374b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB9E | 15692 bytes |
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