MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. These links are likely used for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc2a14149e---fopepogi.pdf In PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/a9748d0f4f37d2216df6dd35e9ad1f90/ziludatikim.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610305be98074---17063470773.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/21095861966.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/14282681015.pdfIn PDF document text
- http://melly-incendie.fr/img_db/raviguxunaxi.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/a0b8ecb97c66c2585d87cc32481eb3fb/82115952624.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210730_104203.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6daf08b71---4435515246.pdfIn PDF document text
- https://mrdak.cc/uploadfile/files/lilonubejinajen.pdfIn PDF document text
- https://we-plus.tw/ckfinder/userfiles/files/sotefejugutezoko.pdfIn PDF document text
- https://thisissati.com/userfiles/files/13336546077.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/35707736280.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/wozotagirit.pdfIn PDF document text
- http://huntland.hu/upload/file/13523961186.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/8569091941.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5pe3iqrrf1v2bri3kt0us9lvm/20710605776.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/vedojuxumegujuzosox.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/wutogarigu.pdfIn PDF document text
- https://mbbs.hr/files/lovajotuwupalerosudava.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/fedape.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/perupelepebavegawi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=hp+laserjet+m1212nf+mfp+user+manualPDF 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_off0000e3ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBFC | 17188 bytes |
SHA-256: 162db8e2d5741a383be1a6346e3a0828fc51c9537385ad03ee3eff2d14c08a11 |
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font_02_sfnt_off000128a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A2 | 10700 bytes |
SHA-256: 376c3fa00ee6fd9ca8e674001ccede3d8e93fd5f6e21b3ec00a8b4b814ff6fe8 |
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