MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting, often associated with phishing or malware distribution. The presence of a QR code lure further supports a phishing attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://nomylo.ru/uplcv?utm_term=does+qr+code+work+for+android
- https://swalaya.in/userfiles/file/91540784029.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395843f237d---77993154996.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/eaaaf3faf26adf5ce8e487a11a12459e/82665907981.pdf
- http://podwierzba.eu/ckfinder/userfiles/files/ravaw.pdf
- http://2018.letnifestiwal.pl/ckfinder/userfiles/files/jikijavexivipugusamolit.pdf
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/lisogapolijasedixil.pdf
- http://adamlegal.com/userfiles/file/56166635897.pdf
- http://epicridesnepal.com/files/bodujomovagixagudiwibufoj.pdf
- https://juniorclublivorno.com/sitonews/images_upload/files/tugexovebagatuvedo.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c27702f704---warofutefujozibi.pdf
- http://thecuriosityshot.com/25532098305.pdf
- http://perfect-aerosol.eu/userfiles/file/11312870381.pdf
- https://derechosenred.org/aym_image/files/guxufofopofipaw.pdf
- https://net-mex.hu/ckfinder/userfiles/files/pazularakajepemir.pdf
- https://hantverksakuten.se/ckfinder/userfiles/files/romevivibimesunudot.pdf
- https://lentes123.com/aym_image/files/rinegal.pdf
- http://sm.ac.th/ckfinder/userfiles/files/wawepedijuzefiw.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161392998e4f8b---towulifukatijowivige.pdf
- http://www.tahi.hu/ckfinder/userfiles/files/zamikikavojusafevafam.pdf
- http://baovethanglongmb.com/upload/files/48961425998.pdf
- http://mayinmaunhat.com/upload/files/kabege.pdf
- http://musicpark-live.de/userfiles/file/livulutu.pdf
- https://agronlogistics.com/userfiles/files/96746856233.pdf
- https://vocembalo.ch/userfiles/file/duvoweferop.pdf
- 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_off0000d6a9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A9 | 16792 bytes |
font_01_sfnt_off0000eec0.bin7be0370b4b523b55571e1c680f2680df70a92f1526c5c451924d58fa75097b66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC0 | 10652 bytes |
font_02_sfnt_off00010718.bincd93198e0710ed27da9a6792bd78c13de382e90e300fd94b04982fec8969f558 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10718 | 17580 bytes |
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