MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics point to the document being a link farm hosted on compromised CMS uploads and disposable hosting, likely intended to redirect users to malicious sites. The presence of a QR code lure further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/pve8vvl25gkumn93f7g2iujl05/58981134966.pdf
- https://haruhonpo.com/upload/haruhonpo/files/zenis.pdf
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/26854890306.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/4b90c1d51be37c48d85aabf56f10938d/77578014853.pdf
- http://vinhthuan.vn/upload/files/dovamojimikot.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/c0c86276e210c84e6ef190d5eb4d0394/93579751138.pdf
- https://vili-al.com/uploads/wysiwyg/files/gelokagetarabarenilugu.pdf
- http://studiodebiaggi.eu/userfiles/files/1684257349.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d42792da4---sasujinunese.pdf
- http://abwingstop.com/uploads/files/paxofivuwejegixefatir.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161454981c0dc7---rivajer.pdf
- https://ever-progress.dacola.com/upload/files/kexizovetamexafisuribox.pdf
- http://baltyk.recykling-rejs.pl/imgturysta/files/diluj.pdf
- http://amy-tsai.com/images_express/userfiles/files/pijixorifarakujixojopak.pdf
- http://pk.mo/userfiles/file/43522289252.pdf
- https://regaluxiluminacion.com/uploads/assets/file/kuboxezenafafuxuteza.pdf
- https://parkettworld.com/upload/files/vosuzonojezivomakanog.pdf
- http://italy-ex.com/images/blog/file/29427006077.pdf
- http://vkts.se/userfiles/file/geseminokadanivik.pdf
- http://location-appartement-venise.com/italie_documents/files/18851411495.pdf
- http://gabident.pl/local/userfiles/file/sisidenezarilapisabav.pdf
- http://stickerbarcode.com/file_media/file_image/file/17303134155.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+scan+qr+code+using+iphone+7+plus
- 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_off0000d48c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD48C | 16792 bytes |
font_01_sfnt_off0000ec9e.binbbe8d919f4cd8e6e2605bbeea9db423dc1ef29677eb643568f3eb20b961680fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9E | 18064 bytes |
font_02_sfnt_off00011b4d.bin7cd5e2205dfe83192c8be864285d0d0a3ddd0b1b94e41fc12c4b1ba9024488dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4D | 11164 bytes |
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