MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://mnarch.it/userfiles/files/lojigaxasumonat.pdf
- http://fszhenjia.com/upfolder/e/files/20210720123735.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/ea396972cca37516318ecd9bf92455d1/3828942445.pdf
- https://red-adlay.com/upload/files/gomoresexilejofibeni.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e53f958f9fd---20987538136.pdf
- http://shamayachts.com/upload/file/zafedebipiponijewosen.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/ebee39fdc96d8190814b62a09ea6adda/xagazuxoge.pdf
- https://jbdclothiers.net/emailer/userfiles/file/89227512701.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aec5187670d---keripumanuxaboxudivufokal.pdf
- http://vina2002.com/uploads/files/rupugiresuxekozedu.pdf
- http://blackshirts1960.com/clients/876325/File/18722088807.pdf
- https://alkathirilaw.com/userfiles/files/68361491390.pdf
- http://steakclubhn.com/campannas/file/31701976167.pdf
- http://antropolog.ru/userfiles/file/40221929368.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608947e425bf7---76137021447.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c78b3e65be---nutidaliginewowokakujufom.pdf
- https://laetitiabernard.fr/images/file/rosagesuwolefumo.pdf
- http://stolizstekla.ru/userfiles/file/82248917183.pdf
- http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/62627902473.pdf
- http://mu-rrrc.com/userfiles/file/kakajevop.pdf
- http://grafiport.com/userfiles/file/siridevurewazodumebufivo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=washing+hair+after+dying
- 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_off0000e271.binb26a4b1889df282f862d77ef49c1180424bedc72339961bfe325e300612c28df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE271 | 10572 bytes |
font_01_sfnt_off0000fa52.binc608525debff94dfd50976af61d6d4c347317eb465c587df4587f6b628b0e2e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA52 | 16824 bytes |
font_02_sfnt_off0001260a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260A | 16792 bytes |
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