MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to numerous external URLs, some hosted on compromised CMS uploads or disposable domains. The presence of these links suggests the document is likely a phishing lure or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://oniceh.ru/uplcv?utm_term=how+to+get+back+lost+photos+on+android
- http://lifecontinues.ru/images/files/29074947270.pdf
- https://citytrafik.nu/images/file/4909319441.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb7a74be7---69038777983.pdf
- http://benevolo.it/userfiles/files/69474150004.pdf
- https://larrialdiak.es/files/galeria/files/14612451714.pdf
- https://abisspaandboutique.com/nbloom/fckuploads/file/11613846322.pdf
- http://kprmk.pl/userfiles/file/xukewupugopeduwopuda.pdf
- https://greenways.at/userfiles/file/gusuzefujakidunazola.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/fewuxuxotokomi.pdf
- http://gamax-motor.cz/data/dokumenty/vazozokubideduj.pdf
- http://www.extramas.com/userfiles/files/17524962182.pdf
- https://ropaalmayoreo.com/images/userfiles/file/wededesab.pdf
- http://www.recko.ru/ckfinder/userfiles/files/fuwoxuliguvalobidunaxeka.pdf
- http://remont-etalon.ru/upload/files/66976451486.pdf
- https://vayamcs.com/content_files/files/rutotatosumibepir.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/6de10c8ed72d19be20bb855586cbc760/44162429694.pdf
- http://sushistoryus.com/uploads/files/13096237611.pdf
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/pexuseba.pdf
- https://5udua.com/contents/files/12740738377.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613543b05509d---2819348698.pdf
- http://michardardillier.com/ckfinder/userfiles/files/26183474540.pdf
- http://pecsimutargygaleria.hu/files/file/leninakoxaxubaxufere.pdf
- https://greenfuturevietnam.com/Upload/files/49684891720.pdf
- http://chukysovin.com/img-svc/files/47931820639.pdf
- https://bya-ingenieria.com/ckfinder/userfiles/files/88231613303.pdf
- https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/gobozewebomesenimuf.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_off0000c999.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC999 | 16792 bytes |
font_01_sfnt_off0000e1b0.bin06190f84c8046142ce72fdebe37f53b4fd932f0e84555a14c51e075311b20681 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B0 | 11104 bytes |
font_02_sfnt_off0000fb23.bin13de60b3e0c8580fdb7235bfbe299bd713d28badec7fa9640274c65d59afff38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB23 | 16964 bytes |
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