MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, such as 'https://archism.ru/uplcv?utm_term=gaana+crack+apk', are likely used to redirect users to malicious content.
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://archism.ru/uplcv?utm_term=gaana+crack+apk
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a707540a2---lokamap.pdf
- http://keystoparadise.com/userfiles/files/bavelo.pdf
- https://evergreencans.com/userfiles/file/jogofavoruwilepisimi.pdf
- http://csc0351.com/userfiles/file/20210919120537_xgr9c6.pdf
- https://asiantms.com/ckfinder/userfiles/files/77210391778.pdf
- https://greenlakepaint.com/ckfinder/userfiles/files/sobotet.pdf
- http://medica-brno.com/files/mudizufinonu.pdf
- http://elai.kz/upload/2021/09files/210926074811186438nb4jp.pdf
- http://qtjdb.com/UploadFile/2021/09/05/file/20210905_164216_197.pdf
- https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/roximifofamuruka.pdf
- https://yumasri.com/assets/ckfinder/userfiles/files/36142986455.pdf
- http://countryclaim.cz/userfiles/file/wavajej.pdf
- https://igescanada.com/ckfinder/userfiles/files/15915657297.pdf
- https://valubil.com/public/uploads/cms_file/cms_files/vudetofel.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ec99d7a29---bosexanubaxijobapakikozo.pdf
- https://taiwancy.com/app/webroot/userfiles/files/nubawomavipuwozowaxisiloj.pdf
- http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/99887640144.pdf
- https://tradingphrases.net/userfiles/files/58790029214.pdf
- https://ehlibeytalimleri.com/resimler/files/tuvapofejaxa.pdf
- http://korea-seals.com/ckfinder/userfiles/files/67509709246.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130190bd6ebf---niguguzejamutax.pdf
- http://fertilityupdates.com/userfiles/files/lilulugunijusenitu.pdf
- http://vigova.vn/Images_upload/files/32615769260.pdf
- https://malayalamfoundation.org/admin/my_files/file/nurobisafovupuzage.pdf
- https://supermovi.com/userfiles/files/94009839655.pdf
- http://galeriejacqueselbaz.com/userfiles/file/balonomanipuxajixedow.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_off0000b7cf.bin7a7ef9b8963c923e9b122955e7df93396679e911f15519b58f01877926ae94f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7CF | 18040 bytes |
font_01_sfnt_off0000e6fb.binee94e7d81c12cd366e93d7a6256ae1caab0d01cd11ffe63ac7890170e12bef80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FB | 9840 bytes |
font_02_sfnt_off0000fcb7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB7 | 16792 bytes |
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