MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, including one hosted on a raw IP address and others on compromised CMS uploads. The presence of numerous links on disposable hosting and the use of UTM parameters suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://adhdesign.de/userContent/files/20210607122017-lukaxerezaxeluzubov.pdf
- http://csc0516.com/userfiles/file/20210620183440_filoz2.pdf
- http://besttailor.info/ckfinder/userfiles/files/pezefamatov.pdf
- http://cariboohose.com/userfiles/file/76072877778.pdf
- http://studiomistretta.com/userfiles/files/2137435498.pdf
- http://activesolutionelectric.com/images/file/94164660214.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/73017039241.pdf
- https://ubranni.com/uploader/files/58817754860.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35d9ff2f0f558f0c1459bba1d87174e0/xivosirujabof.pdf
- http://classtool.info/upload/files/povironuvufidez.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/56bb3d117f5cbc024dfd83220e4ce483/zekiwadabiwegap.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/1gsr9dmno8e931bi2reb0l098a/fovofupoxotug.pdf
- http://157.230.241.115/image/upload/File/52969735292.pdf
- https://cafepiolho.com/uploads/assets/bunuwopinarulivoforo.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/paxejax.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/4ea8e24a36661d263746508e6caf9d9a/43747990982.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b16073b9537---62445349160.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/6c670ed29e63cb8b66a27d9279440323/50383210929.pdf
- https://securityguardsupply.org/php/uploads/file/sisituwut.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608739e87f811---79048408542.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ac19af554---69157152729.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097a96faf08d---jixaletesubaferoxutoj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=glow+white+gelee
- 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_off0000e5c9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C9 | 16792 bytes |
font_01_sfnt_off0000fddf.bind05d49a8b921037c2796d540fbd8b7881770043a655fab7c3aa90ffef2661053 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDF | 9976 bytes |
font_02_sfnt_off0001142f.bin3b98ac005551ffee2845ef1c31190c9eb4fcd030099b7073b816b4acb16b3f37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142F | 18420 bytes |
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