MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains a large number of embedded links, including a suspicious link to 'http://securityofusersdevicesonline.site/23424180907p4tr7.pdf' and another to 'https://nipisod.ru/strik?utm_term=nikon+d40x+camera'. The presence of a link farm and invisible links suggests an attempt to direct users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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://nipisod.ru/strik?utm_term=nikon+d40x+camera PDF link annotation
- https://cdn.sqhk.co/bupabumo/FsLejc2/weladuja.pdfIn PDF document text
- https://xesawamerubipox.weebly.com/uploads/1/3/4/6/134629950/64f56ab816b259.pdfIn PDF document text
- https://kukatuvitakutir.weebly.com/uploads/1/3/4/6/134690336/kewupuk.pdfIn PDF document text
- https://jadajamajive.weebly.com/uploads/1/3/4/7/134770809/6083732d5979216.pdfIn PDF document text
- https://wijinopupog.weebly.com/uploads/1/3/5/3/135323990/3159974.pdfIn PDF document text
- https://sunakolezapomuj.weebly.com/uploads/1/3/4/6/134698053/losefavami_babodudasafa_zexawawuladude_nubokegefo.pdfIn PDF document text
- https://kuritemu.weebly.com/uploads/1/3/1/3/131383398/5638133.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- https://cdn.sqhk.co/tefazaturar/71bLgjM/workspace_one_intelligent_hub_download_mac.pdfIn PDF document text
- http://ital-tess.space/sajesetuxelevavnbouz.pdfIn PDF document text
- http://securityofusersdevicesonline.site/23424180907p4tr7.pdfIn PDF document text
- https://cdn.sqhk.co/lopijikuvi/Pgfggkq/high_volume_ringtones.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://0ea1ff7f-05b3-43a2-9744-178351a05ed1.filesusr.com/ugd/01f9b9_b420dd260c1e42e184116b89ef93548c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tufitijinexu/cub_scouts_uniform_tiger.pdfIn PDF document text
- https://101c3d73-5e22-4da1-a203-a3a2a794ce88.filesusr.com/ugd/69a512_c2eba935b22d41a18d5b69a9f918f78e.pdf?index=trueIn PDF document text
- https://a82c121c-2200-4cd7-aff6-47cf910fdadb.filesusr.com/ugd/117c17_94c03f717a5a4f32b91b5eb86a6d4ade.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/muvazi/230568479.pdfIn PDF document text
- https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_7b436b1fc06749468f852d3dd214f138.pdf?index=trueIn PDF document text
- https://2225f16e-b6a0-48e2-a067-d7e802b71dd4.filesusr.com/ugd/a7ada4_2cde28bcf61c48f4b61532708cb31380.pdf?index=trueIn 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF857 | 4916 bytes |
SHA-256: 707499f5ea978d6f583aedf85a1ef4d052fd1626494bd723ea020a28ad16aa68 |
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font_01_sfnt_off000108e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E8 | 11228 bytes |
SHA-256: 5188b97b9f07543879922a7691d5dd893d9195fb68917d2acc79d0206686c8d8 |
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font_02_sfnt_off00012f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F10 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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