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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of external URIs and link farm heuristics strongly supports a phishing or SEO poisoning attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://skiflogistics.ru/userfiles/file/79408327219.pdf In PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160b40200cd0d5---lejunatebakebemafisus.pdfIn PDF document text
- https://soechi.id/userfiles/file/8435954503.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1606d0f55f34d9---limedofoperunijub.pdfIn PDF document text
- http://thebestpearsonfamily.com/clients/e/e6/e6a49a9b6fa3fb0349b1957bd02e8b5b/File/zevamazibawasudajata.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/ef972k8ea1it1b3pvq9n5j158s/vomemazudabubekudowizopax.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/d4a7b9a5e33515883fdcfa068b5384ff/29556109613.pdfIn PDF document text
- http://vodnik48.ru/content/file/disanogix.pdfIn PDF document text
- http://creaorganization.com/depo/sayfaresim/file/87973032383.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/3b646069e3d25df29f877a4d840fcd12/zeripogosojifuje.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c868d2b420---44104148331.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/8b628ec9c93c0d395aaa1a3a9bfbff24/futepusisuxevovipinudi.pdfIn PDF document text
- https://rowanmkt.com/Uploads/ckfinder/userfiles/files/77400870195.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/tpb10f70cc4dn52u1aqft8e9fu/labegigusitifosex.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/8f417ddff4e90e19f88920d44d73d07b/xufixon.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/e3c88a3c883f344d9cd4c0bce2c3e687/31060012096.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/tomiridagalamerat.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160984050d32bf---56107991970.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160835a229a30c---xujotuzewajomojunem.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/56966941105.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce82f207fe6---7083326936.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/c597764c94c301811ab34859aa92b1ff/lezawi.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f49e4c14eb---66618217562.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff5ffc1882---74110271263.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/66984625810.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d8c756de9---3810525077.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=scary+stories+to+tell+in+the+dark+book+free+onlinePDF 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_off0000f37d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B8F | 18180 bytes |
SHA-256: 9a1ac52ee0b258e6197a4efbccf4bbce18c94c2096969083891646671b179854 |
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font_02_sfnt_off00013bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB8 | 10992 bytes |
SHA-256: 51f5887b1be5ab5be89c2aac7f13d1b1cd9d8f7d6826f32416e216c088989734 |
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