MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF functions as a link farm, directing users to various external websites, some of which are hosted on compromised CMS platforms or disposable domains. The embedded URLs suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=how+to+transfer+app+data+from+internal+storage+to+sd+card PDF link annotation
- https://xn--pssa17sw71b.tw/upimages/files/bejarejeb.pdfIn PDF document text
- http://strelnicebudejovice.cz/userfiles/file/26678603788.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/bobukefutopuniveborafis.pdfIn PDF document text
- https://magerp.org/upload/files/14930245588.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/ravexikoju.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb67163b09---99700629054.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/985310bf91b18d776848a2638f48ac3d/tusibubomixuriwi.pdfIn PDF document text
- http://analhospital.net/file/files/91299439859.pdfIn PDF document text
- http://ambvetesopo.eu/userfiles/files/tizeneripikijomazaf.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/47786863995.pdfIn PDF document text
- http://architettosbaffo.com/userfiles/files/15886906806.pdfIn PDF document text
- http://ceroki.com/image/files/11978972081.pdfIn PDF document text
- http://tmtechvn.com/webroot/img/files/95152423489.pdfIn PDF document text
- http://cokhihoangvinh.com/uploads/userfiles/file/33422003430.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6ae442f97---52866044145.pdfIn PDF document text
- http://annabarons.lv/files/files/setal.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/sojafekobagavikutidiwe.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/ruwugopivoloremejef.pdfIn PDF document text
- https://bluetact.com/ckfinder/userfiles/files/48149937402.pdfIn PDF document text
- http://wingmanresearch.com/userfiles/files/vasoromikuv.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/38279438837.pdfIn PDF document text
- http://hagelkonzept.com/userfiles/file/jafiro.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/9128236900.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_off0000d089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD089 | 11040 bytes |
SHA-256: 2c2dda55e11e0ad220557f28fe36469df43b417eea4f3968809e7007f4e53fb1 |
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font_01_sfnt_off0000ea07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA07 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10219 | 17384 bytes |
SHA-256: d3e945d2285dc335dd4b3edefd5da2e1e42a6c033ab7f231c4ee486fb7e08a93 |
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