MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites and other domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely attempting to trick users into downloading further malicious content or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ketchas.ru/uplcv?utm_term=bentley%27s+textbook+of+pharmaceutics+pdf+download PDF link annotation
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/6138c4e5ab4412a0ac2e859571c2f3a0/modolevatunozowal.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/11513907530.pdfIn PDF document text
- http://inbond-cn.com/userfiles/file/55317974818.pdfIn PDF document text
- http://usmleworkout.com/files/file/46953213928.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/mugibudemogazaf.pdfIn PDF document text
- http://nenkin-t.com/upload_img/ck/files/5491598028.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/zeput.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083285d9f7fd---87135991297.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083112bf3b78---85874053098.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/drvs5lc3irgit4q25e62v5jgcr/jijimi.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bbba0751a34---xapepetubesalowuliwen.pdfIn PDF document text
- http://stratford1980.com/clients/1/19/19838be1bbe5684469623718d5e25b5d/File/55760559413.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210622192843.pdfIn PDF document text
- https://birutelorasin.com/contents//files/zuzevutepatowotozusevujov.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/hn3n1buo10eojt0gg8u6l0r43g/momuxizoveser.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f82d13393a---buzejimabepetisub.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/05c59415e5386720456bcc4fb558e9ae/90244161591.pdfIn PDF document text
- http://fairmonteast1969.com/clients/876766/File/waxugalamopidiwotorirexeg.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/dde7da4df6f8f5813189d26f019df184/24236425127.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160976bd66d827---41263318118.pdfIn PDF document text
- http://e-menu.hu/editor_up/20651998158.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/6f234bb3d4fdb3d3331ce59faddd7d66/kixanipoxotefesatef.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce3b688b3e6---39189300489.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e60559d11b---34490251047.pdfIn PDF document text
- http://naviway.su/upload/files/ripifixapugelivatebep.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_off0000d0f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE906 | 17428 bytes |
SHA-256: b716f10c639a2109a0ae16872e463f1810d291661384c0d70192595ef4036cde |
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font_02_sfnt_off00011699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11699 | 11604 bytes |
SHA-256: b0a215e5d3d19f89e57aeb47bff43c0b46d9985b4f05275920ff611dc5957c97 |
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