MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The document contains heuristics indicating it is a link farm and uses urgency lures, suggesting a phishing attempt. The presence of a 'password-protected archive handoff' heuristic strongly implies the document is designed to trick the user into downloading a password-protected file, which is a common tactic for evading gateway security scanners.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 9
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://zartmobilia.com/userfiles/file/20210517175627.pdf In PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cdf51da8d---24169759030.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b907a8a28b6---bapatid.pdfIn PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/6af5e6598b60e2b7bece143b98dea7b6/tirowiwofebefet.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/7545651740.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/2844134121.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/ba3012e2987ad2a54f44adf65010a09b/kivokiw.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1607214515be7d---tijoze.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/kofemukotaxo.pdfIn PDF document text
- https://kristinanamaste.eu/files/kozawepasar.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/4c764c3927ddb8a4ba34f3e6d263190c/didejosuwemusisoni.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/fukokotumixugaxibivodusi.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/1776df4cd11bd67ee8654e919371393a/fafisipolifilor.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8d0d2806c337ccc023ceea7105211fc3/retuwizino.pdfIn PDF document text
- https://addsfly.com/userfiles/file/gafekawabevupivolip.pdfIn PDF document text
- https://afayl.com/userfiles/file/roxugawuvodipowibelopo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=bypass+any+sa+account+lock+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00015ac6.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x15AC6 | 24236 bytes |
SHA-256: 084938715e502525265e6e25163f1f9f0dd3c366a58fd63007e3ffa31b8e0e5f |
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font_00_sfnt_off000119fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FE | 5044 bytes |
SHA-256: 62d7558c68c818c970aeec9deb78bc922e4e6155d7a26c3761753fcb6eea8273 |
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font_01_sfnt_off00012b4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B4B | 17600 bytes |
SHA-256: 68b81e33f13fff68d727b5a0010c9ebd829f615f148ef716f96986e9b6b062d6 |
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