MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links to known malicious redirector infrastructure, specifically pointing to 'https://yafferge.ru/strik?utm_term=apple+airport+express+owners+manual'. The document body, though heavily obfuscated, suggests a lure related to an 'Apple airport express owners manual'. The presence of numerous links and the ML classifier's high confidence score indicate a malicious intent, likely to direct users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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 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=apple+airport+express+owners+manual In PDF document text
- https://static.s123-cdn-static.com/uploads/4384308/normal_5fe25aee7470a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470841/normal_604bc94a2c558.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421466/normal_5fefea5c67723.pdfIn PDF document text
- http://pewadulojuba.mypressonline.com/punitaxasudepubalidaro.pdfIn PDF document text
- http://notozil.iblogger.org/canberra_institute_of_technology_international_application_form.pdfIn PDF document text
- http://fipoziwebetaz.22web.org/graco_x5_paint_sprayer.pdfIn PDF document text
- http://rudovatimokasum.medianewsonline.com/ccna_1_chapter_9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://sokexodine.rf.gd/76324123959.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d3152f4-1f70-4ac3-901d-fedfac2da4bd/louisiana_protective_order_registry_forms.pdfIn PDF document text
- http://fepebojinozid.epizy.com/bbc_world_news_app_for_android.pdfIn PDF document text
- http://mujewuliruj.epizy.com/8447580327.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/082234a9-ad7e-4b7a-8ec1-9e73f0d136f3/cub_cadet_lt1050_service_kit.pdfIn PDF document text
- https://s3.amazonaws.com/ruzumeb/norewuburunen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40d6b611-cc03-4e1e-b7d1-fafa3d9eac02/do_air_fryers_work_without_oil.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/vekob.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A5 | 7500 bytes |
SHA-256: 7f8285aa82975bec10ae6c470a31aaa70328be02e91ab73cfe2b0b46217bf1ce |
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font_01_sfnt_off0000f33b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33B | 5116 bytes |
SHA-256: a1fa2115668266ed141536a189dd7b0db88e90d979763fd79598bfdf57b4590b |
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font_02_sfnt_off00010494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10494 | 6148 bytes |
SHA-256: 4910d0177da9f60ecc92c13a34fae8c5c38ffafb9e4e22a3c3fd987548b79157 |
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font_03_sfnt_off00011475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11475 | 14368 bytes |
SHA-256: 5c0c28bb5c407ab7ca76470723953c28169bb84f9cbd5e22462154018a85c20d |
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font_04_sfnt_off00013fd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FD6 | 16712 bytes |
SHA-256: e2660a8bb64dea1b0400b8d92d2c0558a5cbb8a0d86b2741e44f7f76a58570dc |
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