MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to external sites, many of which appear to be compromised WordPress uploads or disposable hosting, suggesting a link farm used for distributing further payloads. The 'SE_INVOICE_LURE' heuristic further supports the phishing pretext of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://adepotcustom.com/UploadFiles/file/20210723002108150.pdf In PDF document text
- http://turagent007.ru/userfiles/file/26689130504.pdfIn PDF document text
- http://walkercombsfamilyreunion.com/clients/d/df/dfd517ab040340b2551da60fba195f5f/File/19401925255.pdfIn PDF document text
- http://winso.tw/userfiles/file/vajigamuzirisuxamakife.pdfIn PDF document text
- http://luingpyrex.cz/foto/Image/file/ximaxufemulidemixuzutumox.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7c10b951d---77309966703.pdfIn PDF document text
- http://industrialdevices.in/uploads/95083568404.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/74fcf4c8099517cf3f44a9fff72a1aab/53507418827.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af3c2ec7fe---70485500737.pdfIn PDF document text
- http://unseretochter.ch/images/file/xisikogevutuxosob.pdfIn PDF document text
- https://asiquim.com/ckfinder/userfiles/files/17836055313.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/a588d87485ea2e3b8fb144d07d598216/vabulijefitawuma.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/gamozutipenugufijefubi.pdfIn PDF document text
- http://stonebriarranch.com/clients/876969/File/33177732938.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/3fad5482f3c4dd48c6a8b257982c2019/73120317561.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/xebirarorijufudopupopesen.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/voxegapot.pdfIn PDF document text
- http://vdadanang.vn/app/webroot/assets/files/28606173100.pdfIn PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/milorotuvuzobuva.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ee9b59051---41394493850.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/81479724382.pdfIn PDF document text
- http://araonline.hu/uploads/file/dadinaz.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/67940293508.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210712_2051F64803AE9195.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=small+chops+price+list+2020PDF 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_off0000dc63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC63 | 17032 bytes |
SHA-256: d6ac61927c08e27de619f113fd84704d74a7f566335de3e6c0b1b61941fc3270 |
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font_01_sfnt_off0001088e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 10852 bytes |
SHA-256: 6eff2432de0b035c1eedcf65d3a0b6a681e37a9449ac03bf0a62e496add0c1c2 |
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