MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It functions as a link farm, with multiple URLs pointing to compromised CMS uploads, suggesting an attempt to lure users to malicious content. The presence of these links and the detection signatures indicate a phishing or trojan delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d321d2ed5---29795648969.pdf In PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/d13d165de9b443e7641b05c64906841f/vidaru.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ba8e688c7---regupal.pdfIn PDF document text
- https://cjsc.se/ckfinder/userfiles/files/jusobapotuwiviwokused.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c055d6117f1---kixut.pdfIn PDF document text
- http://apvn.info/userfiles/file/xakajirob.pdfIn PDF document text
- http://doudou.tw/userfiles/files/nitopaveberusawapaxasefap.pdfIn PDF document text
- http://songiadabinhphuoc.com/upload/ck/files/xoxewiwitawapokuleta.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/35531713433.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/4162768345.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1340096c7---70317834392.pdfIn PDF document text
- http://hiddenforrest.net/clients/76790/File/pekibenekurosusukajufeler.pdfIn PDF document text
- http://domplus.su/userfiles/files/serusixuwurugogakanonu.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ccabeaa9b69---rerux.pdfIn PDF document text
- https://nanosoft.mn/images/content/File/57740137069.pdfIn PDF document text
- http://nw-line.ru/generic/uploaded/vigeruvefopojejobe.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/af158aca929b02c4776ec3d2d15af2a2/64244569606.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/44123330797.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/64105500284.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/neguwurisesabazari.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/f21253fc764083956f39c47b77057c97/1045860746.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/41636932916.pdfIn PDF document text
- http://softwarefactory.nl/images/file/14148635670.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/61990693012.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7e80ed659---jofekexodoriwitu.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/bf351b2e0b96bce180e4f5e733945cc9/66758217179.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=80+mph+to+kmhPDF 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_off000146a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015eb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EB6 | 17304 bytes |
SHA-256: 6027d2133f63a89e409ae9a9008e56c6bd7811a2a18aeaed1ffac54d224ade99 |
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font_02_sfnt_off00018c32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C32 | 10040 bytes |
SHA-256: 29469e9f28c782b437edb387b4684498f0ec210984829bac3bca4e9bbf24e4e6 |
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