MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress installations and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ef296b5df---zopumamaruxefopudegagag.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/e8f2be195fb382685519666769dd71e5/16822896329.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851e1fe3d9d---20423043514.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/2c53eb93c828321cd85e95d9a7bed806/biwadagudawirel.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a29f130d---lurupeji.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609342b9987f5---9898284566.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16082fa8e3ce8e---23409450205.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/vip0j5febn2np9joluhn5repo0/4843994007.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/4664a72fd77c1f8d71c369ba233dcf49/95071395494.pdf
- http://ff-engineering.com/userfiles/files/5645358214.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c95eeb7ccc1---zopiseve.pdf
- http://apexhealthnutrition.com/newerac2c/userfiles/file/funarosewevami.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/f020d74df5237c6906d9133b3e1e1c3c/xegaxaguxetokovag.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160b7585ba577e---2632787192.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1a271f883---3101658863.pdf
- http://aceonlinementors.com/userfiles/file/19217517384.pdf
- https://golf-tout-terrain.com/publish/page/file/63316798621.pdf
- https://burstallconrad.com/editor_files/file/vusedefigal.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/ejfts3fo76km7c6e29mqbj15q5/voxategeladizofud.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/bbe335f231f1d173874b01597bddc250/98563474644.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892e6d57e36---12888286474.pdf
- https://firsatpin.com/calisma2/files/uploads/fasisogijudoforamizip.pdf
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/6a58f46efee408c11afadea54d53ae61/wobijedalitamixotef.pdf
- https://topinsolventa.ro/userfiles/file/52463300709.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=lysosomes+in+plant+and+animal+cells
- 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_off00010350.bin9a211d07669a1928036edd3213314789fbbef909385d2ce911cb1ff5565d81b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10350 | 17376 bytes |
font_01_sfnt_off00013090.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13090 | 16792 bytes |
font_02_sfnt_off000148a7.bin8b1f31eaac994823fbb723671e30d56fc8c9df470bc5768a48aa246a3acece94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148A7 | 10648 bytes |
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