MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure related to factory resetting a Dell laptop, which is a common tactic for phishing or malware distribution. It embeds multiple external links, including one to a redirector URL (https://pelibifir.ru/strik?utm_term=how+to+factory+reset+dell+inspiron+e1505), suggesting an attempt to lead the user to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://pelibifir.ru/strik?utm_term=how+to+factory+reset+dell+inspiron+e1505 PDF link annotation
- https://cdn.sqhk.co/kusamika/hcbP4ic/86433228255.pdfIn PDF document text
- https://s3.amazonaws.com/jevelel/92953175446.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375344/normal_5fcdfc256ae15.pdfIn PDF document text
- https://cdn.sqhk.co/bilanogakiw/ezuJjd7/90415742849.pdfIn PDF document text
- http://nusorogexirexi.22web.org/96168263820.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/zunojivagutivop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405904/normal_604cfc4455707.pdfIn PDF document text
- https://rezusoroporinon.weebly.com/uploads/1/3/2/6/132695427/xuvuvagimowaz.pdfIn PDF document text
- https://cdn.sqhk.co/fexejikexew/oOibOkn/7128638930.pdfIn PDF document text
- https://s3.amazonaws.com/xurixado/oppo_f5_android_8._0_oreo_update.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411935/normal_6032d74313c81.pdfIn PDF document text
- https://cdn.sqhk.co/waxobakal/jjwbrcF/81403755793.pdfIn PDF document text
- https://s3.amazonaws.com/dowadotiju/75667674879.pdfIn PDF document text
- https://cdn.sqhk.co/bufudoraxala/bgctaja/zurolixovapas.pdfIn PDF document text
- https://s3.amazonaws.com/memobofilenabon/how_to_make_my_bluetooth_mouse_discoverable.pdfIn PDF document text
- https://zuligenewem.weebly.com/uploads/1/3/4/7/134749141/lufeme.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/construction_site_safety_management_plan.pdfIn PDF document text
- https://roxomikanu.weebly.com/uploads/1/3/0/8/130873860/5180877.pdfIn PDF document text
- https://s3.amazonaws.com/sinamozagemoger/8721903443.pdfIn PDF document text
- http://maporirunigis.22web.org/povesetorib.pdfIn PDF document text
- http://rumajasajobotod.iblogger.org/lilokuzizodi.pdfIn PDF document text
- https://s3.amazonaws.com/rexogeguxosix/xizojif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zakivijojinikij.epizy.com/the_darkness_2016_parents_guide.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1A | 5620 bytes |
SHA-256: de6688f3431d562ea52d0a603a28153651c97f20ed3079b364365139c6cb1100 |
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font_01_sfnt_off0000ff6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6E | 10492 bytes |
SHA-256: ddf973db27292755c18f1932866951fd490fa9dd333637c0d521485cb439bf0b |
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