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 functions as a link farm, directing users to various compromised websites hosting PDF files, likely as part of a phishing or malware distribution scheme. The presence of invoice-related language further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/1b84a6422cc9178f92db8618ff9cd356/31555569439.pdf
- http://agcslohian.com/userfiles/file/xozadib.pdf
- https://alatheir.com/atheirwsfiles/file/sizorar.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/88o68nfl94os8d737ioujmh534/227243944.pdf
- http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/30682842668.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/a6c4b25769da10e06c55aa946108fea2/gepozawubaxa.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/da00db0371f881e7e13514a32335a907/vijidiwibix.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9131ce78f---mupefibamumilafilone.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f085ad865b---nobimewes.pdf
- http://insidethedigitaltrend.biz/userfiles/file/9756396327.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/6b31d3984ebc50c44ef5e30c9eb6771d/zevage.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/2f046820b33debc9f406f5331357029a/liwuvigaros.pdf
- https://synersys.fr/contenu/file/lipatoduwajumi.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/2c2b2eed4e5bdf958d98c9d1fcc63d73/29472317394.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/788910a74c637c64d480a250fde87712/34740825957.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607444fb714ac---tededowujupitekokavike.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abbfed537bb---vebuxekepoxuvufazisaf.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/7121b166f84b7b11f6cd4003772cc205/39561447147.pdf
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a726071e1---karoxagab.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/94g8r94qejivchgf62qqqcni75/56025631400.pdf
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/38812685685.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/sdn2dq16ftec6rofqbpf3ulos3/juxowa.pdf
- http://ahcxdq.com/uploads/file/21140250119.pdf
- https://qualitymattressfactory.com/admin/userfiles/file/49147620630.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=neet+previous+year+papers+download
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e23d.binf1ead7fce8b5b4d6ddacc54c801c5070a1c1e09de3485a856806b72e83a586d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23D | 10728 bytes |
font_01_sfnt_off0000fb15.bin16cf8c9e5028c6fb23c8c55006fc81a138098da9574ac1d8782e4ac43103ef4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB15 | 17484 bytes |
font_02_sfnt_off000128e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E2 | 16792 bytes |
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