MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://yafferge.ru/wix?keyword=measuring+up+express+answer+key+level+e'. This URL is the primary indicator of malicious intent, suggesting a phishing or malware delivery attempt. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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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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/wix?keyword=measuring+up+express+answer+key+level+e
- http://nisekuwodixuv.22web.org/61093248352.pdf
- http://jimubezisu.iblogger.org/lujivizimovuwumute.pdf
- https://tulosiwawi.weebly.com/uploads/1/3/5/3/135326734/5218535.pdf
- https://nefabilaj.weebly.com/uploads/1/3/1/4/131438225/3887459.pdf
- https://tavoledunu.weebly.com/uploads/1/3/4/7/134708600/9300839.pdf
- http://nilutafejo.mypressonline.com/dugumusadegize.pdf
- https://xelexezeni.weebly.com/uploads/1/3/0/7/130740222/forasimakorewo.pdf
- http://bibuzikufaje.mygamesonline.org/tork_1109a_timer_not_working.pdf
- http://rulazix.iblogger.org/gartner_artificial_intelligence_2020.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mududexabaxame.epizy.com/50062933577.pdf
- http://baxovebiw.rf.gd/45574819549.pdf
- https://uploads.strikinglycdn.com/files/1c40dcd6-4fcc-472c-aa10-4b7bede6bfca/kenmore_ac_remote_not_working.pdf
- https://uploads.strikinglycdn.com/files/51b0d485-d369-47fe-8b86-9f3df20fcc10/poor_mans_james_bond_2.pdf
- https://uploads.strikinglycdn.com/files/f55843c7-5bb6-41aa-8214-d1446ac64f2b/how_to_program_nec_phone.pdf
- http://kajomeki.epizy.com/dononojolanelogitikine.pdf
- https://uploads.strikinglycdn.com/files/0c19c04a-42e7-460d-b165-88304c5f1179/vermeer_bc1000xl_torque_specs.pdf
- http://fazaburifug.myartsonline.com/icao_annex_10_vol_1.pdf
- http://vodukipezep.rf.gd/japokubukizekase.pdf
- http://lekukulefu.epizy.com/mecanismo_de_accion_de_los_antihistaminicos_h1.pdf
- http://kimajuj.epizy.com/benipejiwobuno.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f288.bin5a48a8731c89076a53d8ba9cbcad9c086c408aab268bebdd27ca12c1b0140815 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF288 | 5376 bytes |
font_01_sfnt_off00010510.binf65af638014f9187b43f276f00b406d4deebba16bb7b2d7a5e2b8235f557a513 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10510 | 12068 bytes |
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