MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure and 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 0.9998
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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://dafemum.ru/wix?keyword=kingroot+latest+apk+for+pc PDF link annotation
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdfIn PDF document text
- http://doctorzlo.com/nekujabinogetexukerokdg3k.pdfIn PDF document text
- https://cdn.sqhk.co/gexojavo/gdhajhn/indoor_mini_golf_boulder_co.pdfIn PDF document text
- https://cdn.sqhk.co/zonakagud/43wjpgg/dakigaguzematejifex.pdfIn PDF document text
- http://meinekarten.best/kaviwuditi7t3.pdfIn PDF document text
- http://all-casino.xyz/22867434978dvl48.pdfIn PDF document text
- http://7gusevshop.space/zokiw9tod1.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/301182fe-e711-4fcd-a116-6fe7367fee20/82258474986.pdfIn PDF document text
- https://b304dada-1952-41b2-af44-d16a3232bb3f.filesusr.com/ugd/c19c34_e9bd464952ab4e028a4f19b946ad5b25.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c961b7b3-d57a-4903-aa31-12e5bca1b0f1/magic_tree_house_age_group.pdfIn PDF document text
- https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_c4404d693a4d45b9941ef2b9ff364241.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pasawexawinogad/indian_customs_declaration_form_2018.pdfIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/internship_bi_weekly_report_example.pdfIn PDF document text
- https://cd9ed9ec-87d1-42be-9198-0b2de6c1db4d.filesusr.com/ugd/158fb9_9a9568547cc04b688dfdf440fd76f539.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a9bc89d9-2d24-4a6f-8990-89b95eaf1b2a/how_to_change_time_on_automatic_watch.pdfIn PDF document text
- https://s3.amazonaws.com/sefabe/brlauch_risotto_mit_formaggini.pdfIn PDF document text
- https://37991ae0-d72b-4ccf-bf90-288dedd591e7.filesusr.com/ugd/041b56_018cb6a9229d4e55979299521be55c85.pdf?index=trueIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF87 | 5216 bytes |
SHA-256: 34d7a61cfc9084a2e84df7150791f70de9e61f9273daf2cc5ee2b3e1abe1cead |
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font_01_sfnt_off00010160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10160 | 11696 bytes |
SHA-256: d00e00f0b4ffeebf5bd623f6ebc1fe5421b213099d53e06e0894f64eddec96ad |
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font_02_sfnt_off000128d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D0 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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