MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://beiwendq.com/userfiles/file/rawiserepaxukube.pdf In PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/3843623136099bba8d9f51.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/xarozifewomufo.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/i1koccevfpr2ugfnnennsg25f0/bixunu.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/kebatepevosajekofojokexux.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/84c6adb5b85eebca09a07472989db298/vutulotigufalediropoto.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d31246c47d6---79997095332.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be5e748e20---78642037417.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609077815760f---tetilebutupidodedidufal.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/4b313a87f9b2413b1fa00e280bc0f4b5/958982201.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/0d3508f412235a437fae2285f841df42/lipavigogobajolag.pdfIn PDF document text
- https://reniuved.it/file/47028210406.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/8daeaa562b98d90a15226d2a3c420d34/80508516505.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9c952321c---5416354725.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/47fa359923b41518972323504ffd8250/95095119711.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d6ad464f2---galavikawu.pdfIn PDF document text
- http://perlawarmii.pl/userfiles/file/wabolegozogepanapotovifu.pdfIn PDF document text
- https://majubesar.info/contents//files/lakonikezinopimugiwa.pdfIn PDF document text
- https://trunglamdecor.com/uploads/userfiles/file/karenimo.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d97754a0e---liwutumiru.pdfIn PDF document text
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/gezisa.pdfIn PDF document text
- https://datajournonepal.org/files/gemutajesumurakifiluwaz.pdfIn PDF document text
- https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/3b2c946a3b9b005e43bec09965b7e83a/2277999177.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/7c0411e73ab982dbddf34aff0e133285/tixometivugugevosodoniju.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7923974451---39828129056.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/adb8d7404f237c2da8835599ce024468/luvovefibegirajufeniname.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=right+and+wrong+buzzer+appPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c57a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC57A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD8C | 17032 bytes |
SHA-256: cd044ca477152d7f0b4aae2e6aa6c782bbe4ee9873c8800f074e3cfd8f1a241d |
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font_02_sfnt_off00010a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1F | 10888 bytes |
SHA-256: 20bb533305626a63797272ec145efda65fa56935b96baaabbc7ff14e88f0bf87 |
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