MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by a ML classifier and ClamAV, flagging it as Pdf.Phishing.Trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress uploads and disposable domains. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://bienbao.org/uploads/files/temevamofos.pdf In PDF document text
- http://bulongvungtau.com/media/ftp/file/vakusuzusifowuleketifa.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/7070a4283a2c0a8da0c8dd865f4a0280/zilixixewemapajexebiva.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/6adaeda849758d80c74ffdf487e72303/tijufim.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/29f9f708c537794277fd1abdeb08bcd3/32154169231.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d5f7a48890c---topupebare.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/030vancollmig8oqjncm7s9cjd/mijojer.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/6201f94b12775d941f5839889be4e3a1/36449444770.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6ed174d01---17281513125.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/77852348552.pdfIn PDF document text
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722f63bb99b---sesiwajixojexawugufo.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608970a310a76---17820811543.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/3280925301.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc3468e031---35439371199.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/o02smoems0iergtik85eccv082/7088325248.pdfIn PDF document text
- http://gramercygrand.ru/files/file/70002256666.pdfIn PDF document text
- https://searchlink.org/userfiles//file/duxukasuxelaku.pdfIn PDF document text
- http://anjilh.com/uploadfile/file///2021051806521858.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78c1be616b---vaweraze.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f31e46ed21---jafuxozuz.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752a2f5ef85---34512325634.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=tamil+marriage+biodata+word+format+free+downloadPDF 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_off0000e995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE995 | 17060 bytes |
SHA-256: b2821690a5711f77345a4c8c04205fe9f99feacd6d88bf4365dc64416e8aa47e |
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font_01_sfnt_off000115e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E00 | 10716 bytes |
SHA-256: 11476dcefe7019885b400eb4dddd0444d7287c9bb8b18cb7da0675f740d2cfea |
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