MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, several of which are hosted on disposable domains or compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/susalopavuxapolutujunof.pdf
- http://techbico.vn/uploads/image/files/nokebapak.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/wenewowoxatususejafefivap.pdf
- http://casier-a-bouteilles.fr/file/91829151308.pdf
- http://curvesncontours.com/userfiles/file/dijagofavefalazedurimabus.pdf
- https://digireg.nz/upload/8929400173.pdf
- https://inprovitbolivia.com/ckfinder/userfiles/files/wonekidosudugos.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de46f4cf7d---74740455249.pdf
- https://samirkumarpaul.com/ckfinder/userfiles/files/49972529230.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/2be633c9ea25412e9660821b5d89f175/rigafiwa.pdf
- https://amthanhanhsangchinhhang.vn/upload/files/repixesekumudetomijix.pdf
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/paneporada.pdf
- http://bdnchem.com/upload/files/kajurajusad.pdf
- http://pnalog.ru/images/file/rarixidew.pdf
- https://www.edm-medical.net/ckfinder/userfiles/files/47795915514.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16152fe5f6300f---16096231843.pdf
- http://upsshop.ru/ckfinder/userfiles/files/gemamefivuvepoxebelena.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc1b0d991b---ganetada.pdf
- https://girl0229960192.com/upload/users/files/xatuvidaxeruneribuj.pdf
- https://resttour.com/images/userfiles/files/21741838250.pdf
- http://hanmih.com/userfiles/file/20211004070746.pdf
- https://bluetact.com/locktactyuma/userfiles/file/lerowumiwokilulax.pdf
- http://sintellect.ru/Repository/file/11368135840.pdf
- http://reklama-v-sochi.com/ckfinder/userfiles/files/boxajodufoz.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=rename+factor+levels+in+r
- https://tes-sys.com/uploads/ckfinder/files/20210921/16322146183140.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_off0000b156.bin350e3fac56722a2677f20baf0e1ab9aec79f4caed92c3ddfdf86e6f63a945280 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB156 | 15372 bytes |
font_01_sfnt_off0000d8b1.bin27fe82a5b3c8924080df85dadd85423854460864b9846f92e4f462a3df8358bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B1 | 10608 bytes |
font_02_sfnt_off0000f0f9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F9 | 16792 bytes |
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