MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating it's likely a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and embedded links are indicative of a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://allytemp.ru/uplcv?utm_term=what+is+mathematics+courant+and+robbins+pdf PDF link annotation
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071dfa0f4040---89585068493.pdfIn PDF document text
- http://5m-tti.com/uploads/image/files/90110969042.pdfIn PDF document text
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/ba6f8aa9e7c3c812563633b5a2840319/fajirimuxekizifaroteweni.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b65440394---59867091220.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/0227f7aa60aff97b09933eb3043e9e30/somage.pdfIn PDF document text
- http://keacg.com/upload/files/88009962881.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/28581068084.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/vobeditatejalo.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/6bada973443b5daa63f2648179e6cf78/xofuzuvugutitepajevefune.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/81381618077.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/87972333314.pdfIn PDF document text
- http://stinpo.com/ckfinder/userfiles/files/31584161960.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/53157879409.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/114686838.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/2dd1250815b96dd4dba2cae9389a8f77/16712045838.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081060b9425a---89536127359.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/ffkb02vd0hvgdhmgo01qtteiq7/82571649244.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/98498329261.pdfIn PDF document text
- http://frangarcia.eu/upload/file/40323965175.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/62a978978db2942fc2039301b134350c/83565207345.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16084cb5d8a893---bokivolotoduwemaxepuj.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/wafujikopodizuseragabevo.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/97acghpml8g33r7ognuuqf9cj3/91299842970.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/fa47398866b6323cdcd72d2f8919a0e5/10548522264.pdfIn PDF document text
- 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_off0000bfbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFBC | 15808 bytes |
SHA-256: 6565945637044b9b386423a3f3fcca9557782c941b14c660a6ac321bbf2b6af3 |
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font_01_sfnt_off0000e80b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80B | 11072 bytes |
SHA-256: 8eec28d51c14caace5a2197ddc7d0f25e921d8690028c46628168775afe99f09 |
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font_02_sfnt_off00010177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10177 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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