MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm pointing to compromised CMS upload storage and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The primary attack pattern appears to be SEO poisoning or link farming to direct users to potentially malicious or low-reputation websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.deewanalarab.com/up_imgs/38085903165.pdf In PDF document text
- https://medicabg.com/uploads/wysiwyg/files/sajelatazoxilibib.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/zuvixaze.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/xavonoloj.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/56346751879.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/84458841589.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161451eb42fd39---43623775979.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/16798786893.pdfIn PDF document text
- http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/41432058980.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/nenivasovibamoneta.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/jugigawitigu.pdfIn PDF document text
- https://academiesutherland.com/userfiles/file/rukejari.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/6781258181.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146eb03e4362---24478302274.pdfIn PDF document text
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/7594581831.pdfIn PDF document text
- https://armature.ir/cache/fck_files/file/4923697575.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/zosivumezividakud.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/0fn2iup2tmfrp6p1s77pe8farn/werotiwozatupivuvatusov.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/a716dc081c9e431911c8fecca60f019e/12454709301.pdfIn PDF document text
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/53049779833.pdfIn PDF document text
- http://mtcnx.com/upload/fckimagesfile/48368539660.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/navafirizosonikamox.pdfIn PDF document text
- http://natalieshuff.com/uploads/file/kanewopujuribogegoji.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/jifuwudila.pdfIn PDF document text
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/ruzuxegalumuvugalesim.pdfIn PDF document text
- https://junona.manyel.website/images/uploads/medium/45646620569.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=thupparivaalan+malayalam+full+movie+watch+online+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c1e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F8 | 10908 bytes |
SHA-256: 5966e855e66845c8c0ff082f939d73a8fbfac59623f75ffae6934404bf957297 |
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font_02_sfnt_off0000f30b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30B | 19840 bytes |
SHA-256: fb48e57c77b2a831260d46556f636ccf3dab69131d6cbcfd42ffa6c85eca7e1b |
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