MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as an image-only lure, typical of phishing campaigns, containing multiple links to external sites. The heuristic 'PDF_IMAGE_LURE' indicates a screenshot-like appearance designed to trick users into clicking. The presence of numerous URLs, many hosted on compromised WordPress sites, suggests a link farm intended to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://drafthe.ru/uplcv?utm_term=getting+over+it+android+free+download
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1ad2c8981---37399592643.pdf
- https://gizaviation.com/uploads/files/fidemixikumevib.pdf
- http://re-media.ru/foto/ck/files/14669217231.pdf
- http://print-printonline.com/ckfinder/userfiles/files/xeferag.pdf
- http://paradisetourkorea.com/FileData/ckfinder/files/20210911_89C4BC287843BEEB.pdf
- http://angel-conference.org/upload_fck/file/2021-9-2/20210902222114803564.pdf
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/70688425625.pdf
- http://azinsaghf.com/cache/fck_files/file/26809773600.pdf
- http://munnartourism.com/uploads/file/18031593689.pdf
- https://kmkmekanik.com/upload/ckfinder/files/35867720710.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/63a6b008852161c24775a6ceaf4eadb7/bidagijekaki.pdf
- http://xinxinhouseware.com/uploadfile/files/60050819774.pdf
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/5082068030.pdf
- http://apart1day.ru/file/63749815471.pdf
- http://electriccityusa.com/images/fck_uploads/file/nevakezosi.pdf
- http://aj-freight.com/ckfinder/userfiles/files/86379622193.pdf
- http://www.anieliasfx.com/uploads/textareas/file/finabigirizikuzirik.pdf
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/lawanimezopegapawaba.pdf
- https://alperbehang.nl/userfiles/file/felaxozuzunax.pdf
- http://congtrinhnhaviet.vn/upload/files/vefenoxu.pdf
- https://tapetcenter.ro/app/webroot/files/userfiles/files/nuviteda.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fca57d1bde---12286059178.pdf
- http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/20295958417.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_off0000b278.bin850981cbd61f3ffcf9873d2d22006e6301a80041e2655828a8890cedbaa941fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB278 | 10552 bytes |
font_01_sfnt_off0000ca88.bin1ca90de6f33450090734d2cac94c3bb508c4a8929be20d9ac91c8fbebb9c01a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA88 | 14196 bytes |
font_02_sfnt_off0000ee00.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE00 | 16792 bytes |
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