MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to lure users to malicious content. ClamAV and ML classifiers strongly indicate malicious intent, with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirming the nature of the links. The primary attack pattern involves directing users to external, potentially compromised resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/6abcec3567410755209ef0e21051037a/3618386203.pdf In PDF document text
- https://vibangthuaphatlai.net/uploads/files/neximobasuputumop.pdfIn PDF document text
- https://mosconi.net/userfiles/file/vemeru.pdfIn PDF document text
- http://angelescare.com/userfiles/file/gazibofejufurutebuj.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/rabototilesotafumu.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/fffb5577679662f4b5131085c35042fd/punudinirodavozubuk.pdfIn PDF document text
- http://epoxidice.ro/mm/file/40032029698.pdfIn PDF document text
- http://washburnhs64.com/clients/f/f7/f75dc469904bb25755ea64d7551c4a95/File/nomaxe.pdfIn PDF document text
- https://tradingcall.in/ckfinder/userfiles/files/paxuvasoweru.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2f0e437f1---lezupogadunesokali.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/65653384686.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/403cb2000dc0fda01a3d992207d412ff/nadanagame.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/zowogulid.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608691a3c98be---jatutekata.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1b2758f9d---rovuberemetazo.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/tozegikepevepimopubabepet.pdfIn PDF document text
- http://kcde.kr/userfiles/file/5164651330.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/15514903788.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/runozuvozog.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c967f36a2---kapuvekowasikavagugafoxe.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/e51b0f8f7d8ef95351baa4ae8c70ff49/lirud.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/33700121316.pdfIn PDF document text
- http://riph.pl/userfiles/file/zagigidowovotawigiwazelof.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/lodujiwozoduwib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=apically+repositioned+flap+pdfPDF 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_off0000b7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7D2 | 16228 bytes |
SHA-256: 59ed1c62e6798b3af57e8dc25cb7110deb722fb97ebb8bd6325d279dc61e2724 |
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font_01_sfnt_off0000e119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE119 | 10708 bytes |
SHA-256: 5cbe3b8d8debfb0e1e3c44556554e4d541ba031b3152e621aabbe70fe23a08a8 |
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font_02_sfnt_off0000f9de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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