MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to compromised CMS uploads and link farms, suggests a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or trojanized document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kemenyseprosiklos.hu/upload/file/faxupokoniwujem.pdf
- https://perfecthospitals.com/ckfinder/userfiles/files/vukureg.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/fcc7b04ee07e12cbbaf54e50d5cb02e2/desazasurimukonafob.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/knkc524guakis6ovq3p6ouktbd/pixisokilerelesu.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/re6epalb289hpvjbqqa1253jh8/dozuvugipepokenefedut.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/4866295c362067d248b0ffdd2f79552d/81535480293.pdf
- https://dodatnojamstvo.com/userfiles/file/gawukivofokige.pdf
- https://zahnersatz.pl/userfiles/files/59755968525.pdf
- https://okud-istra.hr/userfiles/file/1846591874.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/a535f6fe34451ade08a37e69eb4884ea/90465957983.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16091d6d6e231c---37408780028.pdf
- http://php-lounge.de/userfiles/file/24646657831.pdf
- https://auto826.com/uploads/files/16951122550.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f86c5b4ac0---gametotobavevulobalijower.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160adf4cd37a49---zamezawolijev.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64720003df---87153820246.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/488474c452df9803c9d13325ad52c9de/77987795884.pdf
- http://tomei4x4.jp/js/upload/files/76194630777.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/5a23cab3d722b5c7d621faf62b979a6f/21515866068.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ddb8a96c8---vagadatasitatabefizu.pdf
- http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/jasaforajurowi.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817fa2341f2---jonawiwudulikuser.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868ee90a05d---lepegerulesajagewurewuxo.pdf
- https://299-45.com/CKEdit/upload/files/lifasisujivewo.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/c9c1728be337c395d99e34b39cf7d1cc/74389465699.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=similar+movies+to+the+hunger+games
- 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_off0000ef47.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF47 | 16792 bytes |
font_01_sfnt_off00010759.binaed7b49e6eda7e9b832be048d6b39fbefa908db0057b632dedb6e5e2e17ea462 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10759 | 17516 bytes |
font_02_sfnt_off000134db.bin521e9c53c76edf008790000607bd1ec9b504693448fe7d9d23a40fd13c3f282d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134DB | 10796 bytes |
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