MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611878d370211---21559980283.pdf In PDF document text
- https://amatnieks.com/pictures/image/wagubumovuzafen.pdfIn PDF document text
- https://eguiders.com/uploads/44790488186.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/78852074010.pdfIn PDF document text
- http://diplomat2014.ru/ckfinder/userfiles/files/67177085340.pdfIn PDF document text
- http://ahkjt.com/upfile/file/rufofasimereril.pdfIn PDF document text
- http://jaika.in/images/documents/files/sezogazumogexikuxipe.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/e96lell8r5g43huaiegj8s5um1/losowugij.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/nupupodibetidutes.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/maforunaxitosalijodupe.pdfIn PDF document text
- http://cuanhuadanang.vn/uploads/image/files/dujutatefikoxotigowetid.pdfIn PDF document text
- http://ty-universe.com/image/files/20210623_040853.pdfIn PDF document text
- http://viviapalermo.com/userfiles/files/tosijobumudomezirovujuno.pdfIn PDF document text
- https://mmagame.com/userfiles/file/36119010843.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/vejajur.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/44ce6d978b0deaaeb7bb184ff3b8b6f0/63746260006.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/44f380f0a12b8aa966cd41cbd9593c66/bekadovutozufu.pdfIn PDF document text
- https://szud94.hu/img/sajatfile/files/83379717284.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/82858016347.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/64155020206.pdfIn PDF document text
- https://retta-bg.com/userfiles/gebaxifujafizi.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/50570944937.pdfIn PDF document text
- http://shipagents.nl/uploadfiles/file/69589370549.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=definition+of+instructional+strategies+pdfPDF 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_off0000e7c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C4 | 18580 bytes |
SHA-256: 5b2791cbe4f63f8475a8ef68e7db188e7581f282bcf779d1256814b21affe40c |
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font_01_sfnt_off000117d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D5 | 10896 bytes |
SHA-256: b4944c990b8d9ec2821822e26b73b7db044ddfada8e3e7b0ee0e7c1d9dc89fa9 |
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font_02_sfnt_off00013100.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13100 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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