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 ML classifiers indicated a high probability of maliciousness. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting domains. These links likely lead to phishing pages or further malware downloads, consistent with a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=how+to+save+pictures+on+android+phone+from+internet PDF link annotation
- http://fitviewer.com/files/file/78371376970.pdfIn PDF document text
- http://hueide.com/upload/files/7681244920.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613576c29b25e---98674032461.pdfIn PDF document text
- https://commonlawhouse.in/userfiles/file/pigulaxevaxafavesurez.pdfIn PDF document text
- http://mrpennarak.com/user_file/file/97256249301.pdfIn PDF document text
- http://stevis.cz/files/file/sowoseturudijiripom.pdfIn PDF document text
- https://tahubunting1.com/contents/files/jisujiseremowuri.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/1024474890.pdfIn PDF document text
- https://lp-tracking.com/userfiles/file/1851845125.pdfIn PDF document text
- https://vinacoma3.vn/userfiles/file/20608510300.pdfIn PDF document text
- https://www.db-ynox.fr/ckfinder/userfiles/files/97204861448.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d7a306670---87736649012.pdfIn PDF document text
- https://civilkontroll.hu/uploads/file/disodesudatoxipukonajum.pdfIn PDF document text
- http://boras-sjuharad.boj.se/uploads/userfiles/files/40682397148.pdfIn PDF document text
- http://101eyewear.com/luutru/files/gubaxugiramikaranipoma.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614073667acea---68260857750.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/37747426804.pdfIn PDF document text
- http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/3070303065.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/finiguwupesesutabani.pdfIn PDF document text
- http://infinivideo.hu/sites/infinivideo/files/83556699915.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/91691639459.pdfIn PDF document text
- https://webaprint.be/img/file/92637323796.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-8/20210908101021763064.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/12703125076.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/zikajovorakusede.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/27913539788.pdfIn PDF document text
- 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_off0000e84e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE84E | 16588 bytes |
SHA-256: 857b5047ea87ec2776ecb6c2650d8c81728add44f6112fd4df96d6f3618b38d4 |
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font_01_sfnt_off0001132c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132C | 11084 bytes |
SHA-256: 953ed5a032d479d8b79562053cc10f695aa50e9f6fa109e898ecdb04daa6bfa6 |
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font_02_sfnt_off00012cd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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