MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://irlanc.ru/pbw?utm_term=eq+test+questions+and+answers+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490722/normal_60438cffd2344.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413346/normal_6002d27b80658.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402486/normal_604016226acfa.pdfIn PDF document text
- https://kuwavumiwedow.weebly.com/uploads/1/3/4/6/134673312/2795508.pdfIn PDF document text
- https://zusikemibuv.weebly.com/uploads/1/3/1/6/131606719/a3c8ff.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9860ac85-151a-47da-9c11-2ed4d0b68171/79861600198.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e94edbec-a9e3-4707-9664-034817c222da/45042699442.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6ecbc03-60b2-49e6-b4a2-d0f02c32bc10/pillars_of_the_earth_chapter_2_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c45b6d52-0113-4fa5-ae3b-0aacbffb6609/41770374775.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/96be43ce-ceae-4482-9ae6-d2abd9fc28c0/nuxujufu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08a3e282-b656-4731-aca3-6e53a94a445f/danby_countertop_dishwasher_installation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c6bd8f5-eddd-4113-90dd-06f2141a7f70/80890896803.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/772c97b0-7096-4eb6-b89d-1c30afe412ce/temporary_employment_contract_template_singapore.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82bf484f-4860-4d0a-86dc-90a34b570efa/vaviterazizilevivunep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2427296-364f-4789-92b0-c89f86585dd3/jvc_camcorder_everio_software_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2bb6143-5ab9-4d42-a3ed-91f4d00fab4a/behringer_u-phoria_um2_latency.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84ee0558-956f-48c9-b0c4-23cce832c3f6/cnet_printer_reviews_2019.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE307 | 5180 bytes |
SHA-256: d23d4889940b266aa4f26956882d4fbe178572652c348d440faf51fd32c0f62b |
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font_01_sfnt_off0000f4c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C0 | 1800 bytes |
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
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font_02_sfnt_off0000fd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4E | 11376 bytes |
SHA-256: 1f7b2380a40a60f67309c194c472f363f06247c434b37d09e2ea2536ea81b8f4 |
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font_03_sfnt_off00012446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12446 | 16080 bytes |
SHA-256: 8f6ddafd3b0ce2004b9503adf603897a58143e210ca714e8dcfcba1b249cf112 |
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