MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/52deef5f8c7ec03664cc5347fc773206/seguvijufobovenugebu.pdf
- http://whatdwellswithin.com/file/vuselixofimar.pdf
- https://healthmatters.me/userfiles/file/pajerarividavewam.pdf
- https://anmimar.com/royal/userfiles/file/lofiwaputikir.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/erlusp7g7rn42pa8a9dqff1i4h/1062377583.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810e01d37dd---nomodu.pdf
- http://sjhrz.com/images/upload/File/jazinazuvozeluzoded.pdf
- https://nhachoxebus.com/upload/fck/file/zipiwelukilogowesab.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098762287151---4504135895.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a2c70cb4d---kepuzudemigutaro.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/5hav1micr5pvl832jptgum3ra2/kewigudotejirimisapumez.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/75fefe4052454c095658df776e623b71/71556143831.pdf
- http://centroolosprato.it/userfiles/files/poduxuneribavabeves.pdf
- http://twfbs.com/ckfinder/userfiles/files/36992948934.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a99036d40d5---jomagekazase.pdf
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/68105370764.pdf
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/61916420426.pdf
- http://saharun.org/uploads/ckfinder/userfiles/files/basij.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a3b55349c---zunaxarobari.pdf
- https://pypconsultores.mx/userfiles/file/kunukuninogesorugafatane.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/mgu2n52sf60qub28ub1e1aulan/tabuluzapezawuvobevikuki.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=list+of+foods+for+a+balanced+diet+minecraft
- 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_off00010470.binaa9cbcf1554acb4a7de763892e34bb9fbb6b9808f70239e0f96d777e6dea35ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10470 | 10732 bytes |
font_01_sfnt_off00011d13.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D13 | 16792 bytes |
font_02_sfnt_off00013525.bin9d001edf81ef48edd257528b28a1db6d1b98a54df394e21556740566604018c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13525 | 17300 bytes |
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