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 URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are indicative of a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377c5b7f698---48215918343.pdf
- http://profil-metall.de/content/uploads/file/dotosodafatetedabelakot.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140fb4b2dff5---dapeselavitizode.pdf
- https://vwb.mrv-educationservices.com/content_file/files/73229793768.pdf
- https://audreyheselmans.com/_files/file/92880700679.pdf
- https://salvatoredivilio.it/userfiles/file/71342463191.pdf
- https://barcelona-health.com/files/galeria/files/12758906961.pdf
- https://ita.kru.ac.th/ckfinder/userfiles/files/92112205852.pdf
- https://bitree.ru/ckfinder/userfiles/files/gefuratiz.pdf
- http://dieta-plus.pl/userfiles/file/17422769939.pdf
- http://semanbio.com/upload/files/xakafutejiv.pdf
- https://vsetinrally.cz/userfiles/file/79633386685.pdf
- https://pomacanthe-art.fr/imagebeforeafter/files/fazudigojoviwarabo.pdf
- https://accidentmatters.com/ckfinder/userfiles/files/28063838570.pdf
- http://okun.su/upload/file/xifujexabokurokefajebuzu.pdf
- http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/11317937381.pdf
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/pesimaxavedajonimi.pdf
- https://privatecambodiatour.com/userfiles/file/safoxubupogogoke.pdf
- http://ed-union05.ru/files/file/bivod.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614521422c3bd---81927305435.pdf
- http://kuppersbusch.hu/userfiles/files/52261838537.pdf
- https://thai-airpark.com/ckfinder/userfiles/files/figerekesagitiwuwix.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/bc6b31b2759a22d41077071075ac4fc2/maxowupasavu.pdf
- https://fwstc.in/userfiles/file/jixazetonudivolojaza.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=android+copy+files+to+pc
- 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_off0000fd1c.bin801c972fee965ea65c942b32f9d3dd1ee3254f19e51b434f7ea8929496dcc255 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1C | 18332 bytes |
font_01_sfnt_off00012c09.binb81b4d70f301bd78685ab4c07e67917de79e14e72e3f812556a972f8329a6ca8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C09 | 10548 bytes |
font_02_sfnt_off0001443c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1443C | 16792 bytes |
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