MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the document acting as a link farm, directing users to external URLs hosted on compromised WordPress sites. These links are likely used to distribute further malicious content or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613887fec3263---wilipajegukufe.pdf
- http://anpharma.net/upload/files/diguwojorulupagupogixaba.pdf
- https://marbletreasures.com/uploads/image/files/70306754631.pdf
- http://generaldistco.com/images/file/52531143620.pdf
- http://dailymaydemtien.com/userfiles/files/43820743844.pdf
- http://kyochonbuenapark.iorderfoods.com/uploads/files/nosoxotekiwapujubupu.pdf
- https://www.piramideidiomas.com/ckfinder/userfiles/files/68363911406.pdf
- http://csc021.com/userfiles/file/20210904134940_ms0gnr.pdf
- http://lmleadmanagement.com/userfiles/files/nowofodoxudu.pdf
- https://mintedimages.com/ckfinder/userfiles/files/32960211566.pdf
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/tusijopifuzonafulolijowu.pdf
- http://electric-kernbichler.at/21123156736.pdf
- http://patp1ryb.ru/media/file/subugegape.pdf
- https://rumusjitu.com/contents/files/83711404066.pdf
- https://reformedgeneration.com/userfiles/file/1042423034.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137f3a6b3bbc---59630365508.pdf
- http://a-pluset.com/userfiles/95470402848.pdf
- http://rafaelokazakov.com/file/kulijo.pdf
- http://soldearenales.com/galeria/files/fafazotelasazigox.pdf
- http://ytlcases.com/userfiles/file/26645887646.pdf
- http://shijijiaming.net/filespath/files/20210902092806.pdf
- http://waypl.pl/upload/File/jewiwela.pdf
- http://capesociety.ca/uploads/files/sidax.pdf
- https://autoprofi.ua/userfiles/file/texova.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138b653cb280---62969849104.pdf
- http://hongpakthai.com/ckfinder/userfiles/files/jegivejoxomegebanizusox.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=alexa+start+my+day
- 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_off0000ca0b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA0B | 16792 bytes |
font_01_sfnt_off0000e222.bin2ae2c031eabe2bfe03b35ff02c8e8178bfd0e99b9b20b3a2096083b3d9b8bbc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE222 | 10288 bytes |
font_02_sfnt_off0000f965.bin1dc393834b45bcbb45026830a3ad9803f6f70ac95b4538f4aed7118ecdd3745b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF965 | 17084 bytes |
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