MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites hosting further PDF files. Heuristics indicate this is a link farm designed to distribute malicious content, with ClamAV detecting it as a phishing trojan. The ML classifier also strongly flagged it as malicious. No scripts were extracted, but the structure suggests a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
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://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/3f8da0f88be170ec450ecc068f3c3ac5/waleturofotaxem.pdf
- http://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/21542556464.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/3abf21924e7e86729280a4614408e79e/65627265528.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/856j006vujt9bi2htecujk23jq/lezotuvofitisorotiwut.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/69230a3f54ec26de09d525d11d8ad761/padukadenemogu.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/26f4fdfab230512cf9e9a81b98d2b224/semakenopor.pdf
- http://nguyenthaotech.com/upload/files/8067448190.pdf
- https://volnynaklad.cz/data/file/18087113604.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/5c593a07ec6b44ed00f5554b8f77b673/takojapiputuxolo.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16085102ed4d30---xudoda.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8b91ecb0d---garujemu.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/bm0pghsl6mkoq7ierlckvf5kfp/musozugizuwo.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085d82e42306---29210932689.pdf
- http://grandp.ru/userfiles/file/taxugunaboxas.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160758a7b7bc99---83414872203.pdf
- https://advantagelic.com/singhania/downloads/file/49289533624.pdf
- https://otartufo.com/ckfinder/tartufofiles/files/fixeguvevazasozudobana.pdf
- http://phuocthuan.vn/images/pic/file/17809630081.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b12668a66a3---retorudavirakuta.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607185f993cd5---9944282530.pdf
- http://musorcentrum.hu/files/article/file/faganejekupego.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=aed+to+nis
- 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://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_off0000fbe9.bin8b143db1dc50c71e97ab8cc83bb24399475021b45222115f71a955648db3b4db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE9 | 18192 bytes |
font_01_sfnt_off00012be7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE7 | 16792 bytes |
font_02_sfnt_off000143fd.bind681dda039cb3fb0b1892dc5be28e6ad7aa94dd459d1da1927b6668726b7c5b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143FD | 9916 bytes |
font_03_sfnt_off00015a06.binc39642271528b1a72d4dd9819c8170e75af951c235149b18c303f7f6c6a34e5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A06 | 16340 bytes |
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