MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://midufefew.ru/wix?keyword=bernina+record+830+sewing+machine+manual PDF link annotation
- http://qwert-ita.fun/73549736862nxpu5.pdfIn PDF document text
- http://kufafijuzitot.iblogger.org/rabbit_holes_sims_4.pdfIn PDF document text
- http://amsidisi.xyz/total_gym_1000_workoutsucf66.pdfIn PDF document text
- http://redtea.space/acrobat_reader_dc_professional_freef6m40.pdfIn PDF document text
- http://fitnesspack.net/pisugugimewijatastul8i.pdfIn PDF document text
- http://5-euro.info/1266045380373loh.pdfIn PDF document text
- http://lnstagramcopyrightcenter.com/java_8_download_windows_10_64_bit8uaj3.pdfIn PDF document text
- http://takipleskazan.org/1538809366falzh.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/58c8abd0-07c3-45a2-94ba-8c9ef6237d73/how_to_descale_keurig_k150.pdfIn PDF document text
- https://11f44e1d-c86f-4be6-baa1-90970e7c24f5.filesusr.com/ugd/a298ce_8d230e93940749ffb10828e6fe9aad4a.pdf?index=trueIn PDF document text
- https://da4cb982-96ac-4827-b01c-1601b1c9977c.filesusr.com/ugd/b05c40_bb9182a94dbb4b96af6953a353e306b6.pdf?index=trueIn PDF document text
- http://fopijokukipi.rf.gd/does_kenmore_coldspot_have_water_filter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5d14580-d45d-46da-9ed1-e2c80b455a83/prentice_hall_literature_timeless_voices_timeless_themes_gold_level.pdfIn PDF document text
- https://abee6ad4-cf47-459a-954e-22b9b9bb30ad.filesusr.com/ugd/4bdc6d_7b0753e3849e4d8581f53630130b7c51.pdf?index=trueIn PDF document text
- http://muvabeso.epizy.com/70551018592.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c7dc61a-702b-43f8-aaac-da17a3dafacb/65867547297.pdfIn PDF document text
- https://2ce49c0c-752a-49d0-a831-a69229ee2afe.filesusr.com/ugd/6e9521_ecd0777bd71547f1b8ba550bca16a475.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/262c8cf5-7951-4b7b-bb43-d45302cc027f/fadutezupomuzol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa2db82f-ae6e-49b6-93c8-ae7f7480a241/down_the_rabbit_hole_dictionary.pdfIn PDF document text
- https://2386e270-bd20-42c1-b3e5-1ba7eaa1d68d.filesusr.com/ugd/b4f0c6_f0657db22c234b38a6ac701541a3771a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d0cb690c-40e3-4b93-955d-2cdb560bae2d/34801427997.pdfIn PDF document text
- http://xifabemifuxiza.rf.gd/rilupesiri.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_off0000d8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B5 | 5992 bytes |
SHA-256: 270f872ee4358051b4881777ecf96b21be522b766004cee9dffbb065909716fc |
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font_01_sfnt_off0000ecfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFD | 11572 bytes |
SHA-256: ea8c0d820feed3496d4f1803d1786d7356216bb731cdb1e6fa06c127525b5fc0 |
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