MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, likely intended to redirect users to malicious content. The presence of external URIs and a link farm suggests an attempt to lure users to external resources, potentially for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.8672
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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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://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c10274816f3---pirofexegegokomijipat.pdf In PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/23019192109.pdfIn PDF document text
- http://berbun.com/user_img/file/dufegur.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/e0ee18350a42de86e08a4863741a8b6e/20838977490.pdfIn PDF document text
- https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/6c457a25d7209baaccd18737a62bfd2d/90052378092.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080851a713b6---laloxisowobi.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/62579965319.pdfIn PDF document text
- http://sxcec.org/userfiles/file/33478216062.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160908ca848f52---bovuranonuzewetivadirovi.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/nebejut.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/86371020846.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/povodumujafi.pdfIn PDF document text
- http://heyibnb.com/CKEdit/upload/files/84101272463.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e46ff42c8a---xozijuzikupuxowudarig.pdfPDF link annotation
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/ga1kbs3hjulo17rse6l7eok6id/guwupuniz.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c2a7366ad8c079823bffc32eee584e4a/56503268493.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1ebda04dc---12273437382.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/fizujuvomuguwabesas.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/4165e228209e4760a5dc53d0335c9916/dipozazapiv.pdfIn PDF document text
- http://mamam.by/upload/File/file/zowibuxaje.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/1646497024.pdfIn PDF document text
- http://iworking.vn/uploads/files/lobigelisapunegijib.pdfIn PDF document text
- http://indel.sk/userfiles/file/temalamasulijer.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=electromagnetic+spectrum+sound+wavesPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000110dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110DC | 11092 bytes |
SHA-256: d15d9c3cc454b84bc9f35710b9ccdd5eb919b3b7de89117387de729ab3e058ea |
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