MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://cycling-software.com/files/file/19351836979.pdf In PDF document text
- https://literie-depot.fr/UserFiles/file/jebozu.pdfIn PDF document text
- https://defi128.phpascal.com/userfiles/files/tosisukabivujamarojatosi.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161358e3f3384e---51101427117.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/30104768628.pdfIn PDF document text
- http://restauraceeverest.cz/userfiles/file/7887390920.pdfIn PDF document text
- https://jeneifogaszat.hu/cikkdata/files/53905790436.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/temeluvevexiziroz.pdfIn PDF document text
- http://devison-matras.ru/upload/file/dusinovep.pdfIn PDF document text
- https://leresto-niort.fr/images/userfiles/files/mabozivarajakebup.pdfIn PDF document text
- https://priscar.com/documents/files/64338968948.pdfIn PDF document text
- http://i-physiology.ru/upload/pozaguxo.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19831704448.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/l1nu2o3e59nm04i2fjuvuqi6he/zazeninixogeb.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/21454062506.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/90922847237.pdfIn PDF document text
- http://www.casasemio.com.br/ckfinder/userfiles/files/48291113880.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109162044206199.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/fozesofigebitedoziwogos.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec93538b35---43374347603.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/ramorikikogesuxinebibur.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/zilojozepirin.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/tiwerirovidenovaken.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=telefono+samsung+galaxy+ace+precioPDF 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_off0000dfa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B6 | 17628 bytes |
SHA-256: f2d16b3c6ebffb4f653056dc8fe365deff4f907236a7a647ccf604b6adff8d41 |
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font_02_sfnt_off00012553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12553 | 11004 bytes |
SHA-256: faf55874704dfc2b472a978f760094bd4d1e1aefe3efbf0a041ffa906dbcb96a |
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