MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded content, though heavily obfuscated, appears to be a lure related to 'Desmos' to encourage clicks on the malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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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/strik?utm_term=how+do+i+label+a+line+in+desmos PDF link annotation
- https://zekigoduse.weebly.com/uploads/1/3/4/3/134336209/japarisa.pdfIn PDF document text
- https://wivapofeselaf.weebly.com/uploads/1/3/5/3/135317026/9322850.pdfIn PDF document text
- https://lakogobeza.weebly.com/uploads/1/3/4/0/134096968/konivoxajaposutujul.pdfIn PDF document text
- https://somalinoduka.weebly.com/uploads/1/3/5/3/135392385/kokapomewalolotiner.pdfIn PDF document text
- https://pukuxenusafo.weebly.com/uploads/1/3/4/7/134711282/kudinozag.pdfIn PDF document text
- https://riwaxetonebena.weebly.com/uploads/1/3/4/3/134363930/zexurulapixuwit.pdfIn PDF document text
- https://dugaposiga.weebly.com/uploads/1/3/4/8/134857723/916134.pdfIn PDF document text
- https://dasateju.weebly.com/uploads/1/3/4/5/134582383/2126643.pdfIn PDF document text
- https://xitirume.weebly.com/uploads/1/3/4/3/134392652/7344486.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/d5d22df9-d890-406e-beab-dd89f03fc123/38538313746.pdfIn PDF document text
- https://s3.amazonaws.com/navoburarovada/yamaha_mg24_14fx.pdfIn PDF document text
- https://s3.amazonaws.com/napisakaluja/68357047944.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebf267fb-d2f3-4f45-8517-c95ac7981b3e/mandeville_fable_of_the_bees.pdfIn PDF document text
- https://s3.amazonaws.com/pafiganovavi/berejesinogulobijapov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e5802c5-8188-4ba1-ab55-d86c157f67e6/35345075139.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4daa5ec3-5740-4c28-9ebd-246db51bede9/golulisezebowobej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24a184b3-9deb-4af9-a778-32e776b4978a/how_to_draw_3d_shapes_step_by_step.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1ed16ba-1cec-47ca-a858-3905d4937d09/how_to_reset_wifi_smart_socket.pdfIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/vepodiralodiberaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9cf00046-8a21-4c38-a503-b73f74aa0e1f/how_to_replace_battery_g_shock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cc8e80e-db4f-4bf6-a3ea-e1e91dc66c2c/kedakiviwuvonirapamij.pdfIn PDF document text
- https://s3.amazonaws.com/niporofez/92865457458.pdfIn PDF document text
- https://s3.amazonaws.com/kiguteperilodu/majiniwalikufozibet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7269bdfc-bd1d-4330-b081-145b133848bf/23333104413.pdfIn PDF document text
- https://s3.amazonaws.com/lerezazo/18018708226.pdfIn PDF document text
- https://s3.amazonaws.com/boxujetanonikuv/linear_guide_rail_sizes.pdfIn PDF document text
- https://s3.amazonaws.com/wovugi/bebera.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_off00015f04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F04 | 5068 bytes |
SHA-256: 4e3881e41c397e45bb5a53a101f7d800d21c04d3cae55a4e304fbaeb2e0ba8ae |
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font_01_sfnt_off00017030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17030 | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off000178be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178BE | 11848 bytes |
SHA-256: a994e454fc5b80cecfd30f08614f782d491b9a98049cb998b8ec0466cab5627b |
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