MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and heuristics indicate it is a malicious redirector. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, contains keywords that could be used as a lure, such as 'Macbook user manual pdf'. The primary malicious URL identified is https://dafemum.ru/wix?keyword=macbook+user+manual+pdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://dafemum.ru/wix?keyword=macbook+user+manual+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4505820/normal_60360c0b3d3ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475397/normal_602c05e62dee8.pdfIn PDF document text
- http://wozupabalaviv.medianewsonline.com/naxijaxab.pdfIn PDF document text
- https://cdn.sqhk.co/talurelope/c8jamig/shooter_arena_mod_apk_rexdl.pdfIn PDF document text
- http://riniwodifole.medianewsonline.com/discuss_the_salient_features_of_romantic_poetry.pdfIn PDF document text
- http://robugipunebib.mygamesonline.org/2005_nissan_xterra_transmission_solenoid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388063/normal_603445253188e.pdfIn PDF document text
- https://cdn.sqhk.co/savageven/fgjXghr/nintendo_nes_boxing_game.pdfIn PDF document text
- http://fepaporipevari.mypressonline.com/1305283163.pdfIn PDF document text
- https://cdn.sqhk.co/gutemokerezo/hjXTDgp/najizevat.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443292/normal_5fff705d31ce6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3d52598b-e58d-4eef-b304-2596044ca9f8/xavezotan.pdfIn PDF document text
- https://ce83042b-5faf-46b5-bcbb-9b4d05ec7d33.filesusr.com/ugd/a31856_9feb350c9c974356b3f482b7e4634a14.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6f4b78e2-a6d9-4bbf-b111-7447e983a88c/lactancia_materna_beneficios_emocionales.pdfIn PDF document text
- https://s3.amazonaws.com/jovekus/nejolulawesubodet.pdfIn PDF document text
- https://s3.amazonaws.com/zodawanuror/honda_rebel_250_top_speed_mph.pdfIn PDF document text
- https://a5a7f18c-b887-48a0-80cc-3627c14345d5.filesusr.com/ugd/609f59_ab56fab768634d5a96ce25366a948bb2.pdf?index=trueIn PDF document text
- https://09af0a6c-c0e6-47ff-90c1-5b173435ccd1.filesusr.com/ugd/b92b66_c2aa26f5bbfd4493bee08493eb9478db.pdf?index=trueIn PDF document text
- http://nivuzujanux.myartsonline.com/raxoxoboxeruxe.pdfIn PDF document text
- https://s3.amazonaws.com/gapuruxumeg/infinix_note_7_price_in_nepal_4_64.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ce1c7fb-b606-43c3-94bd-d2500f8ee7c3/hibernate_tutorial_point_download.pdfIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_9b383c5becf84f60b8e9a5867b064a0d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sabegokek/nomigomuzon.pdfIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_7d021476fd0f443ead42c0c3148693cf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a26cb1ef-7dc3-4d3b-b0e7-8c94e80c3393/3491110733.pdfIn PDF document text
- https://s3.amazonaws.com/gofilafixu/bitilalurulipiwiji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cca544fc-ef3d-4c26-a0f9-0e867d3a7a5d/macroeconomics_for_dummies_download.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_off000109c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C9 | 5508 bytes |
SHA-256: f628c4ace027e1b59416d750df0dc319769590524c4581b4215547bcd83d8eb0 |
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font_01_sfnt_off00011c7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7A | 11088 bytes |
SHA-256: 9f326c67b1c5cf2a85f579a6818fac603a9b7947126d06b29e1de3b3e2b03336 |
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