MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055 Process Injection
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, characteristic of a link farm used for phishing or malware distribution. The presence of these links suggests an attempt to redirect users to malicious sites, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
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 http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613164290f5af---13739674787.pdf In PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f3d6e0932e4b140ff34ab6a18b6487b4/vobewupofazute.pdfIn PDF document text
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/66318548562.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/dojemopijafo.pdfIn PDF document text
- http://mfcpavpos.ru/file/vituxevuwuluwelutifuzoz.pdfIn PDF document text
- https://alkirbilaw.com/userfiles/files/34915387244.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133fe49457af---gojemabap.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/b91ab17cfebaf0dca0f122869152ec2d/suzafeduxobasilujenela.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/35545202083.pdfIn PDF document text
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vobilapilijewozetin.pdfIn PDF document text
- https://centrorevisionimonregalese.it/file/75722953450.pdfIn PDF document text
- http://showdoimovel.com/files/files/38413707720.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/1665a9fe3635fc862542907612fa5c98/8619965395.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/19935158541.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/619650b0df797094717e30d4d826530c/25806268024.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/62127614949.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/jibepofofemoxevuk.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/80966067200.pdfIn PDF document text
- https://hotlinepro.in/admin/userfiles/file/lolabaxipusuworozadafe.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/80203869995.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/36584448921.pdfIn PDF document text
- https://highrise.pl/file/50169996261.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/c96e84d00088dcd832e5ed285c62a234/14441229821.pdfIn PDF document text
- http://angelofthewinds.org/ckfinder/userfiles/files/45936598400.pdfIn PDF document text
- https://bandotrading.it/uploads/file/50947412925.pdfIn PDF document text
- http://oppedisanorobertosrl.com/userfiles/files/74018281843.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ae88d26f2---jazodajezetubulutepu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=best+tanpura+and+tabla+app+for+androidPDF 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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000101a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A7 | 19960 bytes |
SHA-256: 557e1be854c9e3746a15e334fba4049b258e2d5231747369efa2746c242c8251 |
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font_01_sfnt_off0001365e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1365E | 10784 bytes |
SHA-256: a3e86731b726fcfe4eade419a36ec0ae3899fce7b0c8c5fc98e106f9960f17c6 |
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font_02_sfnt_off00014f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F10 | 1860 bytes |
SHA-256: 562d39cc93351683f3420870a5578826c1285db13c691c08f99be18f4980e560 |
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font_03_sfnt_off000157c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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