MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://daming-school.com/userfiles/file/70018076648.pdf In PDF document text
- http://adamlegal.com/userfiles/file/fizabuverajopikag.pdfIn PDF document text
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/rofokubaxumonosutumo.pdfIn PDF document text
- https://nhadatonline24h.com/Images_upload/files/midaforewafadixowozos.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e30c7eded6---vabomegafuxafovugalono.pdfIn PDF document text
- http://101eyewear.com/luutru/files/85620679734.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e14f6be2124---zudaje.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/j5i4u8biiii075t097icf1ldba/57438081907.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/jjg6pb5cf7tnkedismn91ptob4/jirofovuzijaluwiwofop.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/wipilunogulelu.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/mnsq6e5mdsaf5ne2mpk7lv5kv8/7816160698.pdfIn PDF document text
- http://aahsclassof1978.com/clients/b/b6/b6117739535924054831d33ecd54b00a/File/60764180848.pdfIn PDF document text
- http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/nisuradujedubedojifal.pdfIn PDF document text
- http://egonseetour.com/FileData/ckfinder/files/20210618_6CC73C880D39433C.pdfIn PDF document text
- https://inverpalmas.com/aym_image/files/46354996798.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb8c88b9d---tibuwemumizifozejikef.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/66df916e6448ab394083c4ab0ee5d4f3/48534929387.pdfIn PDF document text
- https://leresto-niort.fr/images/userfiles/files/potus.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/23430932092.pdfIn PDF document text
- https://prestinireedcorp.com/userfiles/files/temulix.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e863d37cd---waberinowimidixekazukoji.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/fbcd484222e86d8f11956dc47c6de0e9/71841999464.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/29c022226470a47de897c923a533949c/rorubaxotupajasiwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=grammar+worksheets+for+grade+4+with+answers+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_off0000f687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF687 | 11196 bytes |
SHA-256: 1ac9d34ab774d729cb3b28339c67526a7602e54e66c4ff43c51e0f5aa1fe5512 |
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font_01_sfnt_off0001107e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107E | 16628 bytes |
SHA-256: c6ee7fe6f8cb5e346ae7b8d5ba4f9859619bb3e3cdd86bf2847a397b82daf19f |
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font_02_sfnt_off00013ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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