MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/t5ah19274s7oudi5h2g5kvfon8/31443134805.pdf In PDF document text
- http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/kawawok.pdfIn PDF document text
- http://wwstationery.com/files/file/marezasiweteza.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8cfa51f969438765f28da80b5bb018f7/65012420299.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608860c7220eb---18021739979.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac55475d56a---39780199369.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/xokisasiralekotome.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/93378444917.pdfIn PDF document text
- http://tdvvietnam.vn/webroot/img/files/77657255382.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/vonupedawaxapivisa.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd6c66a2ee---xirujoselusikavegov.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e451c9151---79754576476.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/76uhn6hi1hpdlpf8fcppekgnsb/wogusewudafibojesajoko.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/3093866340737212063a956858f92908/xadifopowisovopukiganow.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ae96caa8b6b---tisiwopetejoveriz.pdfIn PDF document text
- http://www.asslar.de/downloads/wewapugoguxonajugetonum.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/198545419160cdc2680b872.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/9a0973da826f36704be6105d00ba4bfe/kipemam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=red+scarf+girl+chapter+7+summaryPDF 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_off0000ece1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE1 | 16976 bytes |
SHA-256: e588b812e5d033fd38f6c8bed309c654114b43b2e73b1b9cba69aef99de63b07 |
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font_01_sfnt_off000118d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130EA | 11152 bytes |
SHA-256: 7d8f6086fb2bc8fbfd4e6690eebcbf6f5c097c624be6b1179c28125b68dc0cea |
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