MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, with the primary one being https://crophysi.ru/123?utm_term=navien+npe-210a+reviews, suggesting a phishing or redirection scheme. The PDF structure and embedded links point towards a link farm attack pattern, aiming to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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://crophysi.ru/123?utm_term=navien+npe-210a+reviews
- http://techanomic.com/xepoluwefuruxovolujalefum9qx4.pdf
- http://ig-objectionform.com/ceva_logistics_tracking_informationlhlaf.pdf
- https://cdn-cms.f-static.net/uploads/4446511/normal_6013bba6d35bd.pdf
- https://static.s123-cdn-static.com/uploads/4371248/normal_5ff4b38fb7dc6.pdf
- https://static.s123-cdn-static.com/uploads/4403680/normal_5fcba74be1b5a.pdf
- https://cdn.sqhk.co/wavoperusina/haijghR/meme_sounds_good.pdf
- http://pabazumakubonok.66ghz.com/hard_boiled_egg_no_yolk_nutrition_information.pdf
- https://static.s123-cdn-static.com/uploads/4484818/normal_5fe0614173c1d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://xefejada.epizy.com/waxorevunivesokekejoxugob.pdf
- https://s3.amazonaws.com/fofeguj/boboxevasefadigikume.pdf
- https://s3.amazonaws.com/pivetuzadujo/19907442417.pdf
- http://mowigibimubepi.rf.gd/4503999498.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d676.bin42f0d9dd3d7a591df93d52e1448d9179638e55df0fdf4c1b0bb72627a737f1b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD676 | 5260 bytes |
font_01_sfnt_off0000e888.binc4a0a6091bffb4a9149ab22e855f1e59e8ef2572e2c61c01c3e503ee78cf41f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE888 | 1932 bytes |
font_02_sfnt_off0000f1cd.bin3fdfca22b414e6c27053b6acb97eba9d683fd23f4fe72aaecc8ff21692ab88b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CD | 10860 bytes |
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