MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm with numerous URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the malicious nature indicated by the heuristics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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 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://pametnidom.hr/pametne_kuce/userfiles/file/63828801864.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/fc6da71cd7df8c3d3463f4dad0fc6450/kibuwepomovato.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160db939c4adb0---netugit.pdf
- http://cerezolorente.com/files/cerezolorente/_repo/file/45247335696.pdf
- https://optimustelecoms.com/ckfinder/userfiles/files/silabenuzoperakiba.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/2170550ceb4fdf72b864647d89e06414/xefulofazoxipitoxij.pdf
- http://thunderstar.cn/userfiles/file/20210507101432633209818.pdf
- http://bluekeydigital.com/images/pic/file/13588486979.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090f733f124c---44216933469.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d32a725b864---98501366506.pdf
- http://sarljarry.fr/userfiles/file/susiroxavof.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f94d7d3c3e---25080633561.pdf
- http://sva-jeanroze.com/xmedia/file/pamebi.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ev6hafh62e4ri5cpdgi5h056j3/64392779407.pdf
- https://ncvpte.in/userfiles/file/70419643905.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/cc802829335d97442bba6a060d30d0a3/78511017339.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ac0d7f0127d04a2c12fd91b2833aa7bf/tuxodevupawerew.pdf
- http://kath-kiga-bw.de/bilder/berichte/file/66023993202.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/90635275640.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/289fa6669b08b650cb94302b6cc851d4/didixajile.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/2f7a31aa43dcc7d1b34999e0b5f7000d/sofilu.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66e9971da6---75949413784.pdf
- https://gtselect.fr/ckfinder/userfiles/files/kovojomekibuziji.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=dr+najeeb+lecture+notes+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_off0000e8ad.bin559b8f5f005346f5bf09b72cafee05707bb3bc9dde61a030c91b122db96fd096 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AD | 17716 bytes |
font_01_sfnt_off00011710.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11710 | 16792 bytes |
font_02_sfnt_off00012f27.binb3fb76b448d476d7bd28a2ed6df0f4131d9fdec126203101f65dc552763d7585 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F27 | 10892 bytes |
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