MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress upload directories and disposable domains, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing or trojan threat.
Machine Learning
- Nyx PDF Classifier malicious score 0.9826
Heuristics 6
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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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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://broadgatecapital.com/userfiles/file/woxexawupipitolupibed.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/45ca5da947af61059dcd43317cbbb84b/ludigubitimaja.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/c0609ff5e39ab8f2d8e5088977016598/68606009158.pdf
- https://fiscalonline.eu/app/webroot/files/userfiles/files/vujesewijadomur.pdf
- https://yuss.it/file/jotopugibajogutekabaxatol.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f46ce30dd---68274689460.pdf
- https://dadesigning.com/daduserfiles/files/xekefegoz.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ed1ecad95---85350959641.pdf
- http://massintech.ru/img/outer/files/51148008319.pdf
- https://netpage.info/userfiles/file/vufesu.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a37729d9610---77659834828.pdf
- https://medsplus.us/admin/images/file/94874019616.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d01956fb4---gakifekezibigefulujeji.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f5b57b3ec---77673584882.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/labiketixab.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607127ac8d5d1---kopelumufegazorogupifi.pdf
- http://asbu.net/uploads/FCK_files/file/97807535881.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/4fe4e92e17f91cbf1959c7ffeb1fb7ef/xelemumisidefudutifig.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ee2d39daa---6669061086.pdf
- https://acgroupenterprise.com/userfiles/file/giwanak.pdf
- https://almoheetmanpower.com/public_html/userfiles/file/50585959977.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e12600d5865---59214809699.pdf
- https://upbfassadenbau.com/upload/file/velozubovaxoz.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/8f968c36ce09242dea33ef5ac83da16b/fufij.pdf
- http://rheinmotel.com/userfiles/file/36243081660.pdf
- http://gayaarchi.com/userfiles/file/20210628184809.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=technical+analysis+using+multiple+timeframes+by+brian+shannon+free+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_off0000f436.bin6d6b4657fb4308f7730fa292908ed5b713cce0d82aeda0b89063ff02dd6908df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF436 | 18348 bytes |
font_01_sfnt_off00012218.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12218 | 16792 bytes |
font_02_sfnt_off00013a2f.bin23d661f0779f04b1742a0cc01d16a49a699b27bc0ce8a46195b4fbd876f8cca3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A2F | 11384 bytes |
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