MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm hosted on disposable infrastructure. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the nature of the link farm suggests a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 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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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/strik?utm_term=pandora%2527s+box+book+elizabeth+gage In PDF document text
- https://faluwesidiji.weebly.com/uploads/1/3/0/7/130738597/kexezof.pdfIn PDF document text
- http://povutigu.22web.org/fukiwu.pdfIn PDF document text
- https://zonotilikoper.weebly.com/uploads/1/3/1/0/131071062/701823.pdfIn PDF document text
- https://gininigexaviw.weebly.com/uploads/1/3/5/3/135350692/3508151.pdfIn PDF document text
- http://xevusezes.medianewsonline.com/present_perfect_simple_and_continuous_exercises_3_eso.pdfIn PDF document text
- https://duwiwobejul.weebly.com/uploads/1/3/2/7/132740292/baxiwut.pdfIn PDF document text
- http://galosidijixiwu.mypressonline.com/juzike.pdfIn PDF document text
- https://putepinezuvoko.weebly.com/uploads/1/3/1/8/131856998/7f1ec4d940b9a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://vafanaf.rf.gd/lodos_activados_ventajas_y_desventajas.pdfIn PDF document text
- http://muxuvulumikabu.epizy.com/89593130773.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1661fcaf-c187-4645-b43b-7919db71cc44/36723686840.pdfIn PDF document text
- https://7fd92c66-d3af-485c-b7a9-31529ddfb1b5.filesusr.com/ugd/997d0f_5c7bdb7afb974d1d8c29cc92db7ab49d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8b8fe288-89a0-4b1f-a61c-48de6cb09b05/97610027.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9f7d16f-1d6e-4824-9fcb-116f4e77d579/how_to_start_up_a_snowblower.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a05bdff8-1a3e-44ae-997e-6885e2ceb435/baxaxaluvakuwatugamo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/045925c1-603d-4912-9810-02554df1444b/why_do_you_think_it_is_important_to_know_your_ethical_roots.pdfIn PDF document text
- https://5b3500e9-40b4-440a-9ada-171ed8bcf4c9.filesusr.com/ugd/7820d0_d6f7ec42de894c31b80f293d484d5de0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/efd7a21d-c57c-4c49-a31f-a219bb32a651/jaybird_x3_earbuds_replacement.pdfIn PDF document text
- https://80c93ba6-74df-4afb-9852-3a83eaba20e3.filesusr.com/ugd/4cf28d_6e03f7e95046417cbc59c5dd991c710b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f1dc0d93-4628-47a4-a922-619fa15ef3ca/iomega_storcenter_ix2_manual.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f31a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31A | 5232 bytes |
SHA-256: 1c18bedc9b4f82537d93f18f6e442200e0b177944556a386ed0b2ed8f5d29d64 |
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font_01_sfnt_off000104e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E8 | 12180 bytes |
SHA-256: 51f2784b72551c847db71cb4249cb025210376ba01c9fd3240cf9f1f16110325 |
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font_02_sfnt_off00012d16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D16 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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