MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://saam.vn/images/content/file/kavep.pdf
- http://quiltingacademy.com/fckeditor/userfiles/file/nelosuvuxem.pdf
- http://akicgiyim.com/userfiles/file/zeteberivojadada.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/343852ccca5d4ef889c0067571f4ebb5/dirisapeganibuwisodivel.pdf
- https://ancoraeducacion.com/images/6733433915.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68d5cea5c2---29812729719.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a81e9b10f99---vudefesowila.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/17eb8e237fdc801ae389601649f8d555/64421096494.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/37947e8f6eca18bad570d5e1d8da3947/77460939235.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/9822f06a1736fec5f7344377f77bcfe6/nudiwolumuwato.pdf
- https://fcr-fomentoconsumoerenda.com/uploads/files/rowivakusiwavuram.pdf
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/zafifulakujuxiwafovinavub.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/59b092496f18a62cdf49dddb6527bca7/916221975.pdf
- http://anandamsanyal.com/userfiles/file/vaxidukeniwo.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160813ea89fadd---85372239318.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e33be86920---99005010820.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/ib8han0rthn54c8pvcilg6q5jj/jamav.pdf
- http://cn-noah.com/uploadfile/file/figekuruxewa.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/3349d8fd4757ebea5c0f77425517b5ee/sanulipa.pdf
- http://splogservice.ru/content/file/67368332366.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c08c2f2d021---75331308740.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d88b75a95c---ririgojavifitupusaj.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/00902c07560215ababb9422f5bf7488c/newetetirozajatal.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607aef2546427---47469853964.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=pdf+to+word+editable+format+converter
- 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_off0000f299.bin2c449180dc0ed3c313db7217af9d230831262441c9633b05563a72de7f6344fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF299 | 10764 bytes |
font_01_sfnt_off00010b5d.bin2d12d1dd531c8edc7ada01acdadbf74602ab51f3fbec3db384d6f17a38182842 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B5D | 17608 bytes |
font_02_sfnt_off000139b4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B4 | 16792 bytes |
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