MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of links, many of which point to disposable hosting and redirectors, indicating a link farm designed to drive traffic to malicious sites. The embedded URL `https://yafferge.ru/strik?utm_term=why+can%2527t+my+samsung+phone+connect+to+wifi` suggests a phishing or scam attempt related to Wi-Fi connectivity issues. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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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://yafferge.ru/strik?utm_term=why+can%2527t+my+samsung+phone+connect+to+wifi In PDF document text
- http://godezigupo.mywebcommunity.org/gabatovov.pdfIn PDF document text
- https://cdn.sqhk.co/pumibavi/hcvij7r/pibisebigima.pdfIn PDF document text
- https://folejate.weebly.com/uploads/1/3/4/9/134902611/a28b567a4.pdfIn PDF document text
- http://bunnygummy.ru/what_is_being_charged_with_contempthmnuc.pdfIn PDF document text
- https://roxasudafuj.weebly.com/uploads/1/3/0/7/130740166/forabuwepavena-bemak-kiraz-fikazuvas.pdfIn PDF document text
- http://parkingtest.xyz/mubibumoga2gb37.pdfIn PDF document text
- http://nojigopagapusu.mygamesonline.org/differential_algebraic_equation.pdfIn PDF document text
- https://pojebozotez.weebly.com/uploads/1/3/2/6/132695867/21c142a6eead.pdfIn PDF document text
- https://famutogerene.weebly.com/uploads/1/3/4/6/134688643/a985f.pdfIn PDF document text
- https://cdn.sqhk.co/pigevikuwi/dxPMQ5N/dead_warfare_zombie_shooter_mod_apk.pdfIn PDF document text
- https://numurivigafezu.weebly.com/uploads/1/3/4/3/134390613/pifomulap.pdfIn PDF document text
- https://cdn.sqhk.co/nasubivapu/Jw8Ejha/bozefo.pdfIn PDF document text
- http://shopee24.site/guwisupojofajgz2gv.pdfIn PDF document text
- http://fartook.online/sitadazezorugufori2fod1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_bc2c6f4019cd4c25b35f7b102ae66c9b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/80ed8ff4-c58a-4f3f-b649-d6ac5d8398db/76292345495.pdfIn PDF document text
- https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_a12341521d6a4956ac2c5f6e65eb2418.pdf?index=trueIn PDF document text
- https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_ca722d5fa9ed47dfb3d6e1f386d04857.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/05c429e9-587b-409b-a7ed-f5a37c067c62/zawoxigofugepenevovup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27ecbcc3-bba5-423a-87a7-1636b2b33b34/kindergarten_ccss_math_checklist.pdfIn PDF document text
- http://nononulavojiki.myartsonline.com/82136069201.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_off0000e3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A0 | 5540 bytes |
SHA-256: 4ba14be2f3f234e789e21507fc49b315d55550be570a2a7f994f4094089844b1 |
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font_01_sfnt_off0000f68d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68D | 11036 bytes |
SHA-256: 27fc23167407d22fa5cf80460ae2824e7d152ab812dad0c57a7b43a180ccae0a |
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