MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detected this as a phishing trojan, and ML classifiers also flagged it as malicious. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://allytemp.ru/uplcv?utm_term=best+contraception+for+pcos PDF link annotation
- https://numen-wow.com/userfiles/cloud/files/garimovovisodilitibibab.pdfIn PDF document text
- https://kp-bs.ru/upload/files/42216619132.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/foxuneruwifudusavo.pdfIn PDF document text
- http://taihegas.com/filespath/files/20211003220741.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3185e32a95d1b176af3b46fb8537d55d/derorejarutinegusevuwu.pdfIn PDF document text
- http://asustainable.com/global/file/mowazezelekafulosufu.pdfIn PDF document text
- http://submission.jpvm.kr/pds/userfiles/files/wunukonibalive.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/58789559952.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/vevimop.pdfIn PDF document text
- http://gdwtechnology.com/fckeditor/file/24394473347.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/bumaziwopigije.pdfIn PDF document text
- http://cftckr.marketsearching.com/upload/files/muvosapuvupote.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/75223624225.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/wuzibexikiwebogabesasiz.pdfIn PDF document text
- https://petroservice-eg.com/userfiles/file/4772021398.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/dizagajojinukugevipapixur.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/vogab.pdfIn PDF document text
- http://z-sinpro.com/upload/files/ralimoxinemibifaxe.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/bc9292a23127640cfef7b022f56be668/95999756809.pdfIn PDF document text
- https://10kshot.com/customerinterview/ckfinder/userfiles/files/bakukinijalunevakulu.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/jovatenomewipubedu.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/7c730f725227a6d6e48ae8de73cdde62/bawilusesu.pdfIn PDF document text
- http://only-svet.ru/upload/files/wodovekilamodiribuzogop.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_off00010702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10702 | 19648 bytes |
SHA-256: c93175958add3c371cf97ba20180d81696a8fbbd6c2b75099f53b7a8734b7bfe |
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font_01_sfnt_off00013a2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15241 | 10480 bytes |
SHA-256: 19dbd9334844199d15b748c92d2669b8fb5d404757139e8acd1f2e46e97ef157 |
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