MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS upload storage, suggesting a phishing or SEO poisoning campaign. The embedded URLs, while some are marked benign, others point to unknown or potentially compromised domains, reinforcing the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160814e8cec927---wazulokakijulazulolunaf.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085234ca48ef---15836361760.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1606d197d3657d---56892139538.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0370c18f5---96912830315.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e06b453f8---2849472311.pdf
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/220c4a9ca7a7cb565b4b1b9366a618bd/pogigezuvixabikopivo.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608627502c219---lolevererojalep.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/fc8899c716a625816cc2710eb4ea96bf/dediga.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/c982e5807cb7eb006052cec9c3930ffa/70003707278.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/041a99b4085eb99c105c43c64f9dbe91/zibowixesif.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/36c5f366fc31f9c008e58eb4a65aa028/9310094591.pdf
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/gomcdfb12299ri0oqihj3u8pg5/53387644180.pdf
- https://alakharia.com/public_html/userfiles/file/18308600159.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087490cf1544---gerexisufikigosurazir.pdf
- http://notarbrazda.cz/userfiles/file/83952933646.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a460fe6bc40---2319750866.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=winkawaks+no+detecta+roms+neo+geo
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcb0.bin19ff9f7f46c304f94960d86493e3c2cebc2d64a2d8302603f698d0f941e183e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB0 | 78608 bytes |
font_01_sfnt_off0001c938.binda7acb3c0a40ce6c0cab8f0dff39efd474894675bf42b46cc877b1eb52f194c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C938 | 5396 bytes |
font_02_sfnt_off0001db99.bin4a2c8834479ac179f7a041aba2ca62cbbb8d3246c8964cf6e80e62ec13d4a7af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DB99 | 12460 bytes |
font_03_sfnt_off00020429.bineb29371a9263d1efed02b1533fb53138ee823a98fbd078e52407dfdd24d7a728 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20429 | 16192 bytes |
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