MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDF files. This structure suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to distributing further malicious content or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://crysiq.ru/uplcv?utm_term=live+wallpaper+anime+kimi+no+na+wa PDF link annotation
- http://hieuchuan.com/upload/files/sojavozuziz.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/ca80d768b80392e2ec78982b4448a1de/66214690586.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff6e7c8815---rimilasijibutemevimu.pdfIn PDF document text
- http://nadafashionbelt.com/Uploads/file/67442771121.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/1d459a07b330af5d8485f262d92b2ede/40214660453.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/negojazidino.pdfIn PDF document text
- http://takramaipai.com/mypicture/file/37389559722.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/99281062864.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/23825575101.pdfIn PDF document text
- https://alwillislifecenter.org/ckfinder/userfiles/files/linumokapurirazulutedosi.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/45442728389.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/nivon.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/movodexuzeziratudi.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/84766610164.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/semesapofugobiwadubug.pdfIn PDF document text
- http://jpind.pl/userfiles/file/5500517492.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16140bd145a569---tisanuwiwijinu.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///rijuf.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/fc90a945fd8fb65c42961b0c1fa08115/81860299065.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/161365138b488e---barokewisagategusoleba.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_off0000b836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB836 | 15952 bytes |
SHA-256: 5b0d576f0d809e08cbf9096861bd7ef8e9144fd496d78574413fb82dd28cda30 |
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font_01_sfnt_off0000e0f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F0 | 10348 bytes |
SHA-256: 20f0f88dc8e797f0fc534a9493b1a07bfdf3397f20059a12cd83e0dd256ecb9e |
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font_02_sfnt_off0000f841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF841 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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