MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious or phishing content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://nsfeed.com/_UploadFile/Images/file/38368568767.pdf In PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948f92bc8aa---71644122101.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607293a8af60e---zotolakopiludulibu.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d0f6d6fae---57579954848.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/19732817707.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc016e4670---82901164040.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5c9a0ed07---86255108862.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-5-13/20210513031612776264.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/5573652992.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b6025d3d0---siribuzolezap.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fd53e82eebb2057807b16e60774d6dda/95081032866.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6ac8891c1---tirisujapokokajilidigu.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/neh1vrd3gk8aqu4oe2jh2jinij/nesepe.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/ceec7b535cb991ef9b62ce940c167310/31943802434.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/3337423566.pdfIn PDF document text
- https://dintek.eu/uploads/file/mebivakadabikewosojodagav.pdfIn PDF document text
- http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/3799231315.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/bdb9mr55c94ckst8c105cbviut/sidulavirenepuzefuk.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/fc3e08cd128a7018e708ef9885377632/99961717491.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/26165361879.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/5139380360.pdfIn PDF document text
- http://bioscipublisher.com/files/upfiles/file/76413259482.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0ac98f988---83074189384.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/fafekenali.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/94797513483.pdfIn PDF document text
- https://daiichitravel.com/uploads/news_file/77308800861.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=division+as+inverse+of+multiplicationPDF 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_off0000d818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD818 | 10808 bytes |
SHA-256: 56cc232f4121bf7265f133a478ef244a37308f39362029ff1110e07d067da112 |
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font_01_sfnt_off0000f10d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10D | 16292 bytes |
SHA-256: 4d881c530670da0ce6bada6ebc9a4e75156849b54af92d5b802682ca502be6c5 |
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font_02_sfnt_off00011acf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ACF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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